Conventional long name	United States of America
Common name	the United States
Image coat	US-GreatSeal-Obverse.svg
Length	1776–present
Symbol type	Great Seal
National motto	In God We Trust(official)(traditional)(Latin: Out of Many, One)
Map width	220px
National anthem	"The Star-Spangled Banner"
Official languages	None at federal level
Languages type	National language
Languages	English (''de facto'')
Capital	Washington, D.C.
Largest city	New York City
Government type	Federal presidential constitutional republic
Leader title1	President
Leader name1	Barack Obama (D)
Leader title2	Vice President
Leader name2	Joe Biden (D)
Leader title3
Leader name3	John Boehner (R)
Leader title4	Chief Justice
Leader name4	John Roberts
Legislature	Congress
Upper house	Senate
Lower house	House of Representatives
Sovereignty type	Independence
Established event1	Declared
Established date1	July 4, 1776
Established event2	Recognized
Established date2	September 3, 1783
Established event3	Current constitution
Established date3	June 21, 1788
Area footnote
Area sq mi	3794101
Area km2	9826675
Area rank	3rd/4th
Area magnitude	1 E12
Percent water	6.76
Population estimate	}}

|population_estimate_year = 2011 |population_estimate_rank = 3rd |population_density_km2 = 33.7 |population_density_sq_mi = 87.4 |GDP_PPP_year = 2010 |GDP_PPP = $14.780 trillion |GDP_PPP_rank = 1st |GDP_PPP_per_capita = $47,123 |GDP_PPP_per_capita_rank = 6th |GDP_nominal = $14.780 trillion |GDP_nominal_rank = 1st |GDP_nominal_year = 2010 |GDP_nominal_per_capita = $47,132 |GDP_nominal_per_capita_rank = 9th |HDI_year = 2010 |HDI = 0.902 |HDI_rank = 4th |HDI_category = very high |EF_year = 2007 |EF = 8.0 gha |EF_rank = 6th |Gini = 45.0 |Gini_rank = 39th |Gini_year = 2007 |currency = United States dollar ($) |currency_code = USD |country_code = USA |utc_offset = −5 to −10 |utc_offset_DST = −4 to −10 |cctld = .us .gov .mil .edu |calling_code = +1 |date_format = m/d/yy (AD) |drives_on = right |demonym = American |footnotes = a. English is the official language of at least 28 states—some sources give a higher figure, based on differing definitions of "official". English and Hawaiian are both official languages in the state of Hawaii.

b. English is the ''de facto'' language of American government and the sole language spoken at home by 80% of Americans age five and older. Spanish is the second most commonly spoken language.

c. Whether the United States or the People's Republic of China is larger is disputed. The figure given is from the U.S. Central Intelligence Agency's ''World Factbook''. Other sources give smaller figures. All authoritative calculations of the country's size include only the 50 states and the District of Columbia, not the territories.

d. The population estimate includes people whose usual residence is in the fifty states and the District of Columbia, including noncitizens. It does not include either those living in the territories, amounting to more than 4 million U.S. citizens (most in Puerto Rico), or U.S. citizens living outside the United States. }}

The United States of America (also called the United States, the States, the U.S., the USA, and America) is a federal constitutional republic comprising fifty states and a federal district. The country is mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south. The state of Alaska is in the northwest of the continent, with Canada to the east and Russia to the west across the Bering Strait. The state of Hawaii is an archipelago in the mid-Pacific. The country also possesses several territories in the Pacific and Caribbean.

At 3.79 million square miles (9.83 million km²) and with over 312 million people, the United States is the third or fourth largest country by total area, and the third largest by both land area and population. It is one of the world's most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries. The U.S. economy is the world's largest national economy, with an estimated 2010 GDP of $14.780 trillion (23% of nominal global GDP and 20% of global GDP at purchasing-power parity).

Indigenous peoples have inhabited what is now the mainland United States for between 12,000 and 40,000 years since the Paleo-Indians crossed the Bearing land bridge from Asia to North America. This Native American population was greatly reduced by disease and warfare after European contact. The United States was founded by thirteen British colonies located along the Atlantic seaboard. On July 4, 1776, they issued the Declaration of Independence, which proclaimed their right to self-determination and their establishment of a cooperative union. The rebellious states defeated the British Empire in the American Revolution, the first successful colonial war of independence. The current United States Constitution was adopted on September 17, 1787; its ratification the following year made the states part of a single republic with a strong central government. The Bill of Rights, comprising ten constitutional amendments guaranteeing many fundamental civil rights and freedoms, was ratified in 1791.

Through the 19th century, the United States displaced native tribes, acquired the Louisiana territory from France, Florida from Spain, part of the Oregon Country from the United Kingdom, Alta California and New Mexico from Mexico, Alaska from Russia, and annexed the Republic of Texas and the Republic of Hawaii. Disputes between the agrarian South and industrial North over the expansion of the institution of slavery and states' rights provoked the Civil War of the 1860s. The North's victory prevented a permanent split of the country and led to the end of legal slavery in the United States. By the 1870s, its national economy was the world's largest. The Spanish–American War and World War I confirmed the country's status as a military power. It emerged from World War II as the first country with nuclear weapons and a permanent member of the United Nations Security Council. The end of the Cold War and the dissolution of the Soviet Union left the United States as the sole superpower. The country accounts for 41% of global military spending, and it is a leading economic, political, and cultural force in the world.

Etymology

In 1507, German cartographer Martin Waldseemüller produced a world map on which he named the lands of the Western Hemisphere "America" after Italian explorer and cartographer Amerigo Vespucci. The former British colonies first used the country's modern name in the 1776 Declaration of Independence, the "unanimous Declaration of the thirteen united States of America". On November 15, 1777, the Second Continental Congress adopted the Articles of Confederation, which states, "The Stile of this Confederacy shall be 'The United States of America.'" The Franco-American treaties of 1778 used "United States of North America", but from July 11, 1778, "United States of America" was used on the country's bills of exchange, and it has been the official name ever since.

The short form "United States" is also standard. Other common forms include the "U.S.", the "USA", and "America". Colloquial names include the "U.S. of A." and, internationally, the "States". "Columbia", a once popular name for the United States, derives from Christopher Columbus; it appears in the name "District of Columbia".

The standard way to refer to a citizen of the United States is as an "American". Although "United States" is the official appositional term, "American" and "U.S." are more commonly used to refer to the country adjectivally ("American values", "U.S. forces"). "American" is rarely used in English to refer to people not connected to the United States.

The phrase "United States" was originally treated as plural—e.g., "the United States are"—including in the Thirteenth Amendment to the United States Constitution, ratified in 1865. It became common to treat it as singular—e.g., "the United States is"—after the end of the Civil War. The singular form is now standard; the plural form is retained in the idiom "these United States".

Geography and environment

The land area of the contiguous United States is approximately . Alaska, separated from the contiguous United States by Canada, is the largest state at . Hawaii, occupying an archipelago in the central Pacific, southwest of North America, has just over . The United States is the world's third or fourth largest nation by total area (land and water), ranking behind Russia and Canada and just above or below China. The ranking varies depending on how two territories disputed by China and India are counted and how the total size of the United States is measured: calculations range from to to . Including only land area, the United States is third in size behind Russia and China, just ahead of Canada.

The coastal plain of the Atlantic seaboard gives way further inland to deciduous forests and the rolling hills of the Piedmont. The Appalachian Mountains divide the eastern seaboard from the Great Lakes and the grasslands of the Midwest. The Mississippi–Missouri River, the world's fourth longest river system, runs mainly north–south through the heart of the country. The flat, fertile prairie of the Great Plains stretches to the west, interrupted by a highland region in the southeast. The Rocky Mountains, at the western edge of the Great Plains, extend north to south across the country, reaching altitudes higher than 14,000 feet (4,300 m) in Colorado. Farther west are the rocky Great Basin and deserts such as the Mojave. The Sierra Nevada and Cascade mountain ranges run close to the Pacific coast. At 20,320 feet (6,194 m), Alaska's Mount McKinley is the tallest peak in the country and in North America. Active volcanoes are common throughout Alaska's Alexander and Aleutian Islands, and Hawaii consists of volcanic islands. The supervolcano underlying Yellowstone National Park in the Rockies is the continent's largest volcanic feature. The United States, with its large size and geographic variety, includes most climate types. To the east of the 100th meridian, the climate ranges from humid continental in the north to humid subtropical in the south. The southern tip of Florida is tropical, as is Hawaii. The Great Plains west of the 100th meridian are semi-arid. Much of the Western mountains are alpine. The climate is arid in the Great Basin, desert in the Southwest, Mediterranean in coastal California, and oceanic in coastal Oregon and Washington and southern Alaska. Most of Alaska is subarctic or polar. Extreme weather is not uncommon—the states bordering the Gulf of Mexico are prone to hurricanes, and most of the world's tornadoes occur within the country, mainly in the Midwest's Tornado Alley.

The U.S. ecology is considered "megadiverse": about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to more than 400 mammal, 750 bird, and 500 reptile and amphibian species. About 91,000 insect species have been described. The Endangered Species Act of 1973 protects threatened and endangered species and their habitats, which are monitored by the United States Fish and Wildlife Service. There are fifty-eight national parks and hundreds of other federally managed parks, forests, and wilderness areas. Altogether, the government owns 28.8% of the country's land area. Most of this is protected, though some is leased for oil and gas drilling, mining, logging, or cattle ranching; 2.4% is used for military purposes.

Political divisions

The United States is a federal union of fifty states. The original thirteen states were the successors of the thirteen colonies that rebelled against British rule. Early in the country's history, three new states were organized on territory separated from the claims of the existing states: Kentucky from Virginia; Tennessee from North Carolina; and Maine from Massachusetts. Most of the other states have been carved from territories obtained through war or purchase by the U.S. government. One set of exceptions comprises Vermont, Texas, and Hawaii: each was an independent republic before joining the union. During the American Civil War, West Virginia broke away from Virginia. The most recent state—Hawaii—achieved statehood on August 21, 1959. The states do not have the right to secede from the union.

The states compose the vast bulk of the U.S. land mass; the two other areas considered integral parts of the country are the District of Columbia, the federal district where the capital, Washington, is located; and Palmyra Atoll, an uninhabited but incorporated territory in the Pacific Ocean. The United States also possesses five major overseas territories: Puerto Rico and the United States Virgin Islands in the Caribbean; and American Samoa, Guam, and the Northern Mariana Islands in the Pacific. Those born in the major territories (except for American Samoa) possess U.S. citizenship. American citizens residing in the territories have many of the same rights and responsibilities as citizens residing in the states; however, they are generally exempt from federal income tax, may not vote for president, and have only nonvoting representation in the U.S. Congress.

History

Native American and European settlement

The indigenous peoples of the U.S. mainland, including Alaska Natives, are believed to have migrated from Asia, beginning between 12,000 and 40,000 years ago. Some, such as the pre-Columbian Mississippian culture, developed advanced agriculture, grand architecture, and state-level societies. After Europeans began settling the Americas, many millions of indigenous Americans died from epidemics of imported diseases such as smallpox.

In 1492, Genoese explorer Christopher Columbus, under contract to the Spanish crown, reached several Caribbean islands, making first contact with the indigenous people. On April 2, 1513, Spanish conquistador Juan Ponce de León landed on what he called "La Florida"—the first documented European arrival on what would become the U.S. mainland. Spanish settlements in the region were followed by ones in the present-day southwestern United States that drew thousands through Mexico. French fur traders established outposts of New France around the Great Lakes; France eventually claimed much of the North American interior, down to the Gulf of Mexico. The first successful English settlements were the Virginia Colony in Jamestown in 1607 and the Pilgrims' Plymouth Colony in 1620. The 1628 chartering of the Massachusetts Bay Colony resulted in a wave of migration; by 1634, New England had been settled by some 10,000 Puritans. Between the late 1610s and the American Revolution, about 50,000 convicts were shipped to Britain's American colonies. Beginning in 1614, the Dutch settled along the lower Hudson River, including New Amsterdam on Manhattan Island.

In 1674, the Dutch ceded their American territory to England; the province of New Netherland was renamed New York. Many new immigrants, especially to the South, were indentured servants—some two-thirds of all Virginia immigrants between 1630 and 1680. By the turn of the 18th century, African slaves were becoming the primary source of bonded labor. With the 1729 division of the Carolinas and the 1732 colonization of Georgia, the thirteen British colonies that would become the United States of America were established. All had local governments with elections open to most free men, with a growing devotion to the ancient rights of Englishmen and a sense of self-government stimulating support for republicanism. All legalized the African slave trade. With high birth rates, low death rates, and steady immigration, the colonial population grew rapidly. The Christian revivalist movement of the 1730s and 1740s known as the Great Awakening fueled interest in both religion and religious liberty. In the French and Indian War, British forces seized Canada from the French, but the francophone population remained politically isolated from the southern colonies. Excluding the Native Americans (popularly known as "American Indians"), who were being displaced, those thirteen colonies had a population of 2.6 million in 1770, about one-third that of Britain; nearly one in five Americans were black slaves. Though subject to British taxation, the American colonials had no representation in the Parliament of Great Britain.

Independence and expansion

Tensions between American colonials and the British during the revolutionary period of the 1760s and early 1770s led to the American Revolutionary War, fought from 1775 to 1781. On June 14, 1775, the Continental Congress, convening in Philadelphia, established a Continental Army under the command of George Washington. Proclaiming that "all men are created equal" and endowed with "certain unalienable Rights", the Congress adopted the Declaration of Independence, drafted largely by Thomas Jefferson, on July 4, 1776. That date is now celebrated annually as America's Independence Day. In 1777, the Articles of Confederation established a weak confederal government that operated until 1789.

After the British defeat by American forces assisted by the French and Spanish, Great Britain recognized the independence of the United States and the states' sovereignty over American territory west to the Mississippi River. Those wishing to establish a strong national government with powers of taxation organized a constitutional convention in 1787. The United States Constitution was ratified in 1788, and the new republic's first Senate, House of Representatives, and president—George Washington—took office in 1789. The Bill of Rights, forbidding federal restriction of personal freedoms and guaranteeing a range of legal protections, was adopted in 1791.

Attitudes toward slavery were shifting; a clause in the Constitution protected the transatlantic slave trade only until 1808. The Northern states abolished slavery between 1780 and 1804, leaving the slave states of the South as defenders of the "peculiar institution". The Second Great Awakening, beginning about 1800, made evangelicalism a force behind various social reform movements, including abolitionism.

Americans' eagerness to expand westward prompted a long series of Indian Wars. The Louisiana Purchase of French-claimed territory under President Thomas Jefferson in 1803 almost doubled the nation's size. The War of 1812, declared against Britain over various grievances and fought to a draw, strengthened U.S. nationalism. A series of U.S. military incursions into Florida led Spain to cede it and other Gulf Coast territory in 1819. The Trail of Tears in the 1830s exemplified the Indian removal policy that stripped the native peoples of their land. The United States annexed the Republic of Texas in 1845, amid a period when the concept of Manifest Destiny was becoming popular. The 1846 Oregon Treaty with Britain led to U.S. control of the present-day American Northwest. The U.S. victory in the Mexican-American War resulted in the 1848 cession of California and much of the present-day American Southwest. The California Gold Rush of 1848–49 further spurred western migration. New railways made relocation easier for settlers and increased conflicts with Native Americans. Over a half-century, up to 40 million American bison, or buffalo, were slaughtered for skins and meat and to ease the railways' spread. The loss of the buffalo, a primary resource for the plains Indians, was an existential blow to many native cultures.

Civil War and industrialization

Tensions between slave and free states mounted with arguments over the relationship between the state and federal governments, as well as violent conflicts over the spread of slavery into new states. Abraham Lincoln, candidate of the largely antislavery Republican Party, was elected president in 1860. Before he took office, seven slave states declared their secession—which the federal government maintained was illegal—and formed the Confederate States of America. With the Confederate attack upon Fort Sumter, the Civil War began and four more slave states joined the Confederacy. Lincoln's Emancipation Proclamation in 1863 declared slaves in the Confederacy to be free. Following the Union victory in 1865, three amendments to the U.S. Constitution ensured freedom for the nearly four million African Americans who had been slaves, made them citizens, and gave them voting rights. The war and its resolution led to a substantial increase in federal power. The war remains the deadliest conflict in American history, resulting in the deaths of 620,000 soldiers.

After the war, the assassination of Lincoln radicalized Republican Reconstruction policies aimed at reintegrating and rebuilding the Southern states while ensuring the rights of the newly freed slaves. The resolution of the disputed 1876 presidential election by the Compromise of 1877 ended Reconstruction; Jim Crow laws soon disenfranchised many African Americans. In the North, urbanization and an unprecedented influx of immigrants from Southern Southern and Eastern Europe hastened the country's industrialization. The wave of immigration, lasting until 1929, provided labor and transformed American culture. National infrastructure development spurred economic growth. The 1867 Alaska Purchase from Russia completed the country's mainland expansion. The Wounded Knee Massacre in 1890 was the last major armed conflict of the Indian Wars. In 1893, the indigenous monarchy of the Pacific Kingdom of Hawaii was overthrown in a coup led by American residents; the United States annexed the archipelago in 1898. Victory in the Spanish–American War the same year demonstrated that the United States was a world power and led to the annexation of Puerto Rico, Guam, and the Philippines. The Philippines gained independence a half-century later; Puerto Rico and Guam remain U.S. territories.

World War I, Great Depression, and World War II

At the outbreak of World War I in 1914, the United States remained neutral. Most Americans sympathized with the British and French, although many opposed intervention. In 1917, the United States joined the Allies, and the American Expeditionary Forces helped to turn the tide against the Central Powers. After the war, the Senate did not ratify the Treaty of Versailles, which established the League of Nations. The country pursued a policy of unilateralism, verging on isolationism. In 1920, the women's rights movement won passage of a constitutional amendment granting women's suffrage. The prosperity of the Roaring Twenties ended with the Wall Street Crash of 1929 that triggered the Great Depression. After his election as president in 1932, Franklin D. Roosevelt responded with the New Deal, a range of policies increasing government intervention in the economy, including the establishment of the Social Security system. The Dust Bowl of the mid-1930s impoverished many farming communities and spurred a new wave of western migration. The United States, effectively neutral during World War II's early stages after Nazi Germany's invasion of Poland in September 1939, began supplying materiel to the Allies in March 1941 through the Lend-Lease program. On December 7, 1941, the Empire of Japan launched a surprise attack on Pearl Harbor, prompting the United States to join the Allies against the Axis powers as well as the internment of Japanese Americans by the thousands. Participation in the war spurred capital investment and industrial capacity. Among the major combatants, the United States was the only nation to become richer—indeed, far richer—instead of poorer because of the war. Allied conferences at Bretton Woods and Yalta outlined a new system of international organizations that placed the United States and Soviet Union at the center of world affairs. As victory was won in Europe, a 1945 international conference held in San Francisco produced the United Nations Charter, which became active after the war. The United States, having developed the first nuclear weapons, used them on the Japanese cities of Hiroshima and Nagasaki in August. Japan surrendered on September 2, ending the war.

Cold War and protest politics

The United States and Soviet Union jockeyed for power after World War II during the Cold War, dominating the military affairs of Europe through NATO and the Warsaw Pact, respectively. While they engaged in proxy wars and developed powerful nuclear arsenals, the two countries avoided direct military conflict. Resisting leftist land and income redistribution projects around the world, the United States often supported authoritarian governments. American troops fought Communist Chinese forces in the Korean War of 1950–53. The House Un-American Activities Committee pursued a series of investigations into suspected leftist subversion, while Senator Joseph McCarthy became the figurehead of anticommunist sentiment.

The 1961 Soviet launch of the first manned spaceflight prompted President John F. Kennedy's call for the United States to be first to land "a man on the moon", achieved in 1969. Kennedy also faced a tense nuclear showdown with Soviet forces in Cuba. Meanwhile, the United States experienced sustained economic expansion. A growing civil rights movement, symbolized and led by African Americans such as Rosa Parks, Martin Luther King, Jr., and James Bevel, used nonviolence to confront segregation and discrimination. Following Kennedy's assassination in 1963, the Civil Rights Act of 1964 and Voting Rights Act of 1965 were passed under President Lyndon B. Johnson. He also signed into law the Medicare and Medicaid programs. Johnson and his successor, Richard Nixon, expanded a proxy war in Southeast Asia into the unsuccessful Vietnam War. A widespread countercultural movement grew, fueled by opposition to the war, black nationalism, and the sexual revolution. Betty Friedan, Gloria Steinem, and others led a new wave of feminism that sought political, social, and economic equality for women.

As a result of the Watergate scandal, in 1974 Nixon became the first U.S. president to resign, to avoid being impeached on charges including obstruction of justice and abuse of power. The Jimmy Carter administration of the late 1970s was marked by stagflation and the Iran hostage crisis. The election of Ronald Reagan as president in 1980 heralded a rightward shift in American politics, reflected in major changes in taxation and spending priorities. His second term in office brought both the Iran-Contra scandal and significant diplomatic progress with the Soviet Union. The subsequent Soviet collapse ended the Cold War.

Contemporary era

Under President George H. W. Bush, the United States took a lead role in the UN–sanctioned Gulf War. The longest economic expansion in modern U.S. history—from March 1991 to March 2001—encompassed the Bill Clinton administration and the dot-com bubble. A civil lawsuit and sex scandal led to Clinton's impeachment in 1998, but he remained in office. The 2000 presidential election, one of the closest in American history, was resolved by a U.S. Supreme Court decision—George W. Bush, son of George H. W. Bush, became president.

On September 11, 2001, al-Qaeda terrorists struck the World Trade Center in New York City and The Pentagon near Washington, D.C., killing nearly three thousand people. In response, the Bush administration launched the global War on Terror, invading Afghanistan and removing the Taliban government and al-Qaeda training camps. Taliban insurgents continue to fight a guerrilla war. In 2002, the Bush administration began to press for regime change in Iraq on controversial grounds. Forces of a so-called Coalition of the Willing invaded Iraq in 2003, ousting Saddam Hussein. In 2005, Hurricane Katrina caused severe destruction along much of the Gulf Coast, devastating New Orleans. In 2008, amid a global economic recession, the first African American president, Barack Obama, was elected. In 2010, major health care and financial system reforms were enacted.

Government, elections, and politics

The United States is the world's oldest surviving federation. It is a constitutional republic and representative democracy, "in which majority rule is tempered by minority rights protected by law". The government is regulated by a system of checks and balances defined by the U.S. Constitution, which serves as the country's supreme legal document. In the American federalist system, citizens are usually subject to three levels of government, federal, state, and local; the local government's duties are commonly split between county and municipal governments. In almost all cases, executive and legislative officials are elected by a plurality vote of citizens by district. There is no proportional representation at the federal level, and it is very rare at lower levels.

The federal government is composed of three branches:

Legislative: The bicameral Congress, made up of the Senate and the House of Representatives, makes federal law, declares war, approves treaties, has the power of the purse, and has the power of impeachment, by which it can remove sitting members of the government.

Executive: The president is the commander-in-chief of the military, can veto legislative bills before they become law, and appoints the members of the Cabinet (subject to Senate approval) and other officers, who administer and enforce federal laws and policies.

Judicial: The Supreme Court and lower federal courts, whose judges are appointed by the president with Senate approval, interpret laws and overturn those they find unconstitutional.

The House of Representatives has 435 voting members, each representing a congressional district for a two-year term. House seats are apportioned among the states by population every tenth year. As of the 2000 census, seven states have the minimum of one representative, while California, the most populous state, has fifty-three. The Senate has 100 members with each state having two senators, elected at-large to six-year terms; one third of Senate seats are up for election every other year. The president serves a four-year term and may be elected to the office no more than twice. The president is not elected by direct vote, but by an indirect electoral college system in which the determining votes are apportioned to the states and the District of Columbia. The Supreme Court, led by the Chief Justice of the United States, has nine members, who serve for life.

The state governments are structured in roughly similar fashion; Nebraska uniquely has a unicameral legislature. The governor (chief executive) of each state is directly elected. Some state judges and cabinet officers are appointed by the governors of the respective states, while others are elected by popular vote.

The original text of the Constitution establishes the structure and responsibilities of the federal government and its relationship with the individual states. Article One protects the right to the "great writ" of habeas corpus, and Article Three guarantees the right to a jury trial in all criminal cases. Amendments to the Constitution require the approval of three-fourths of the states. The Constitution has been amended twenty-seven times; the first ten amendments, which make up the Bill of Rights, and the Fourteenth Amendment form the central basis of Americans' individual rights. All laws and governmental procedures are subject to judicial review and any law ruled in violation of the Constitution is voided. The principle of judicial review, not explicitly mentioned in the Constitution, was declared by the Supreme Court in ''Marbury v. Madison'' (1803).

Parties and ideology

The United States has operated under a two-party system for most of its history. For elective offices at most levels, state-administered primary elections choose the major party nominees for subsequent general elections. Since the general election of 1856, the major parties have been the Democratic Party, founded in 1824, and the Republican Party, founded in 1854. Since the Civil War, only one third-party presidential candidate—former president Theodore Roosevelt, running as a Progressive in 1912—has won as much as 20% of the popular vote.

Within American political culture, the Republican Party is considered center-right or "conservative" and the Democratic Party is considered center-left or "liberal". The states of the Northeast and West Coast and some of the Great Lakes states, known as "blue states", are relatively liberal. The "red states" of the South and parts of the Great Plains and Rocky Mountains are relatively conservative.

The winner of the 2008 presidential election, Democrat Barack Obama, is the 44th U.S. president. The 2010 midterm elections saw the Republican Party take control of the House and make gains in the Senate, where the Democrats retain the majority. In the 112th United States Congress, the Senate comprises 51 Democrats, two independents who caucus with the Democrats, and 47 Republicans; the House comprises 240 Republicans and 192 Democrats—three seats are vacant. There are 29 Republican and 20 Democratic state governors, as well as one independent.

Foreign relations and military

The United States exercises global economic, political, and military influence. It is a permanent member of the United Nations Security Council and New York City hosts the United Nations Headquarters. It is a member of the G8, G20, and Organisation for Economic Co-operation and Development. Almost all countries have embassies in Washington, D.C., and many have consulates around the country. Likewise, nearly all nations host American diplomatic missions. However, Cuba, Iran, North Korea, Bhutan, Libya, and the Republic of China (Taiwan) do not have formal diplomatic relations with the United States.

The United States has a "special relationship" with the United Kingdom and strong ties with Canada, Australia, New Zealand, the Philippines, Japan, South Korea, Israel, and several European countries. It works closely with fellow NATO members on military and security issues and with its neighbors through the Organization of American States and free trade agreements such as the trilateral North American Free Trade Agreement with Canada and Mexico. In 2008, the United States spent a net $25.4 billion on official development assistance, the most in the world. As a share of America's large gross national income (GNI), however, the U.S. contribution of 0.18% ranked last among twenty-two donor states. By contrast, private overseas giving by Americans is relatively generous.

The president holds the title of commander-in-chief of the nation's armed forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff. The United States Department of Defense administers the armed forces, including the Army, Navy, Marine Corps, and Air Force. The Coast Guard is run by the Department of Homeland Security in peacetime and the Department of the Navy in time of war. In 2008, the armed forces had 1.4 million personnel on active duty. The Reserves and National Guard brought the total number of troops to 2.3 million. The Department of Defense also employed about 700,000 civilians, not including contractors.

Military service is voluntary, though conscription may occur in wartime through the Selective Service System. American forces can be rapidly deployed by the Air Force's large fleet of transport aircraft, the Navy's eleven active aircraft carriers, and Marine Expeditionary Units at sea with the Navy's Atlantic and Pacific fleets. The military operates 865 bases and facilities abroad, and maintains deployments greater than 100 active duty personnel in 25 foreign countries. The extent of this global military presence has prompted some scholars to describe the United States as maintaining an "empire of bases".

Total U.S. military spending in 2008, more than $600 billion, was over 41% of global military spending and greater than the next fourteen largest national military expenditures combined. The per capita spending of $1,967 was about nine times the world average; at 4% of GDP, the rate was the second-highest among the top fifteen military spenders, after Saudi Arabia. The proposed base Department of Defense budget for 2012, $553 billion, is a 4.2% increase over 2011; an additional $118 billion is proposed for the military campaigns in Iraq and Afghanistan. As of September 2010, the United States is scheduled to have 96,000 troops deployed to Afghanistan, and 50,000 to Iraq. As of July 25, 2011, the United States had suffered 4,474 military fatalities during the Iraq War, and 1,680 during the War in Afghanistan.

Economy

The United States has a capitalist mixed economy, which is fueled by abundant natural resources, a well-developed infrastructure, and high productivity. According to the International Monetary Fund, the U.S. GDP of $15 trillion constitutes 23% of the gross world product at market exchange rates and over 20% of the gross world product at purchasing power parity (PPP). Though larger than any other nation's, its national GDP is about 5% smaller than the GDP of the European Union at PPP in 2008. The country ranks ninth in the world in nominal GDP per capita and sixth in GDP per capita at PPP. The U.S. dollar is the world's primary reserve currency.

The United States is the largest importer of goods and third largest exporter, though exports per capita are relatively low. In 2008, the total U.S. trade deficit was $696 billion. Canada, China, Mexico, Japan, and Germany are its top trading partners. In 2007, vehicles constituted both the leading import and leading export commodity. China is the largest foreign holder of U.S. public debt.

In 2009, the private sector was estimated to constitute 55.3% of the economy, with federal government activity accounting for 24.1% and state and local government activity (including federal transfers) the remaining 20.6%. While its economy has reached a postindustrial level of development and its service sector constitutes 67.8% of GDP, the United States remains an industrial power. The leading business field by gross business receipts is wholesale and retail trade; by net income it is manufacturing. Chemical products are the leading manufacturing field. The United States is the third largest producer of oil in the world, as well as its largest importer. It is the world's number one producer of electrical and nuclear energy, as well as liquid natural gas, sulfur, phosphates, and salt. While agriculture accounts for just under 1% of GDP, the United States is the world's top producer of corn and soybeans. Coca-Cola and McDonald's are the two most recognized brands in the world.

In August 2010, the American labor force comprised 154.1 million people. With 21.2 million people, government is the leading field of employment. The largest private employment sector is health care and social assistance, with 16.4 million people. About 12% of workers are unionized, compared to 30% in Western Europe. The World Bank ranks the United States first in the ease of hiring and firing workers. In 2009, the United States had the third highest labor productivity per person in the world, behind Luxembourg and Norway. It was fourth in productivity per hour, behind those two countries and the Netherlands. Compared to Europe, U.S. property and corporate income tax rates are generally higher, while labor and, particularly, consumption tax rates are lower.

Income and human development

According to the United States Census Bureau, the pretax median household income in 2007 was $49,777. The median ranged from $65,469 among Asian American households to $32,584 among African American households. Using purchasing power parity exchange rates, the overall median is similar to the most affluent cluster of developed nations. After declining sharply during the middle of the 20th century, poverty rates have plateaued since the early 1970s, with 11–15% of Americans below the poverty line every year, and 58.5% spending at least one year in poverty between the ages of 25 and 75. In 2009, 43.6 million Americans lived in poverty.

The U.S. welfare state is one of the least extensive in the developed world, reducing both relative poverty and absolute poverty by considerably less than the mean for rich nations, though combined private and public social expenditures per capita are relatively high. While the American welfare state effectively reduces poverty among the elderly, it provides relatively little assistance to the young. A 2007 UNICEF study of children's well-being in twenty-one industrialized nations ranked the United States next to last.

Between 1947 and 1979, real median income rose by over 80% for all classes, with the incomes of poor Americans rising faster than those of the rich. Since 1980, the United States has witnessed strong increases in productivity, low unemployment, and low inflation. However, income gains since 1980 have been slower than in previous decades, less widely shared, and accompanied by increased economic insecurity. Median household income has increased for all classes since 1980, largely owing to more dual-earner households, the closing of the gender gap, and longer work hours, but growth has been slower and strongly tilted toward the very top (see graph). Consequently, the share of income of the top 1%—21.8% of total reported income in 2005—has more than doubled since 1980, leaving the United States with the greatest income inequality among developed nations. The top 1% pays 27.6% of all federal taxes, while the top 10% pays 54.7%. Wealth, like income, is highly concentrated: The richest 10% of the adult population possesses 69.8% of the country's household wealth, the second-highest share among developed nations. The top 1% possesses 33.4% of net wealth. In 2010 the United Nations Development Programme ranked the United States 12th among 139 countries on its inequality-adjusted human development index (IHDI), eight places lower than in the standard HDI.

Infrastructure

Science and technology

The United States has been a leader in scientific research and technological innovation since the late 19th century. In 1876, Alexander Graham Bell was awarded the first U.S. patent for the telephone. Thomas Edison's laboratory developed the phonograph, the first long-lasting light bulb, and the first viable movie camera. Nikola Tesla pioneered alternating current, the AC motor, and radio. In the early 20th century, the automobile companies of Ransom E. Olds and Henry Ford popularized the assembly line. The Wright brothers, in 1903, made the first sustained and controlled heavier-than-air powered flight.

The rise of Nazism in the 1930s led many European scientists, including Albert Einstein and Enrico Fermi, to immigrate to the United States. During World War II, the Manhattan Project developed nuclear weapons, ushering in the Atomic Age. The Space Race produced rapid advances in rocketry, materials science, and computers. IBM, Apple Computer, and Microsoft refined and popularized the personal computer. The United States largely developed the ARPANET and its successor, the Internet. Today, 64% of research and development funding comes from the private sector. The United States leads the world in scientific research papers and impact factor. Americans possess high levels of technological consumer goods, and almost half of U.S. households have broadband Internet access. The country is the primary developer and grower of genetically modified food, representing half of the world's biotech crops.

Transportation

Personal transportation is dominated by automobiles, which operate on a network of 13 million roads, including the world's longest highway system. The world's second largest automobile market, the United States has the highest rate of per-capita vehicle ownership in the world, with 765 vehicles per 1,000 Americans. About 40% of personal vehicles are vans, SUVs, or light trucks. The average American adult (accounting for all drivers and nondrivers) spends 55 minutes driving every day, traveling .

Mass transit accounts for 9% of total U.S. work trips, ranking last in a survey of 17 countries. While transport of goods by rail is extensive, relatively few people use rail to travel. Light rail development has increased in recent years but, like high speed rail, is below European levels. Bicycle usage for work commutes is minimal.

The civil airline industry is entirely privately owned and has been largely deregulated since 1978, while most major airports are publicly owned. The four largest airlines in the world by passengers carried are American; Southwest Airlines is number one. Of the world's thirty busiest passenger airports, sixteen are in the United States, including the busiest, Hartsfield-Jackson Atlanta International Airport.

Energy

The United States energy market is 29,000 terawatt hours per year. Energy consumption per capita is 7.8 tons of oil equivalent per year, the 10th highest rate in the world. In 2005, 40% of this energy came from petroleum, 23% from coal, and 22% from natural gas. The remainder was supplied by nuclear power and renewable energy sources. The United States is the world's largest consumer of petroleum. For decades, nuclear power has played a limited role relative to many other developed countries, in part due to public perception in the wake of a 1979 accident. In 2007, several applications for new nuclear plants were filed. The United States has 27% of global coal reserves.

Education

American public education is operated by state and local governments, regulated by the United States Department of Education through restrictions on federal grants. Children are required in most states to attend school from the age of six or seven (generally, kindergarten or first grade) until they turn eighteen (generally bringing them through twelfth grade, the end of high school); some states allow students to leave school at sixteen or seventeen. About 12% of children are enrolled in parochial or nonsectarian private schools. Just over 2% of children are homeschooled.

The United States has many competitive private and public institutions of higher education. According to prominent international rankings, 13 or 15 American colleges and universities are ranked among the top 20 in the world. There are also local community colleges with generally more open admission policies, shorter academic programs, and lower tuition. Of Americans twenty-five and older, 84.6% graduated from high school, 52.6% attended some college, 27.2% earned a bachelor's degree, and 9.6% earned graduate degrees. The basic literacy rate is approximately 99%. The United Nations assigns the United States an Education Index of 0.97, tying it for 12th in the world.

Health

The United States life expectancy of 78.3 years at birth is ranked 36th among 194 United Nations member states; while above the world average, it falls short of the overall figure in Western Europe. Increasing obesity in the United States and health improvements elsewhere have contributed to lowering the country's rank in life expectancy from 1987 to 2007, from 11th to 42nd in the world. The infant mortality rate of 6.37 per thousand places the United States 42nd out of 221 countries, above average but behind all of Western Europe. Approximately one-third of the adult population is obese and an additional third is overweight; the obesity rate, the highest in the industrialized world, has more than doubled in the last quarter-century. Obesity-related type 2 diabetes is considered epidemic by health care professionals.

The U.S. health care system far outspends any other nation's, measured in both per capita spending and percentage of GDP. The World Health Organization ranked the U.S. health care system in 2000 as first in responsiveness, but 37th in overall performance.

Health care coverage in the United States is a combination of public and private efforts, and is not universal as in all other developed countries. In 2004, private insurance paid for 36% of personal health expenditures, private out-of-pocket payments covered 15%, and federal, state, and local governments paid for 44%. In 2005, 46.6 million Americans, 15.9% of the population, were uninsured, 5.4 million more than in 2001. The main cause of this rise is the drop in the number of Americans with employer-sponsored health insurance. The subject of uninsured and underinsured Americans is a major political issue. A 2009 study estimated that lack of insurance is associated with nearly 45,000 deaths a year. In 2006, Massachusetts became the first state to mandate universal health insurance. Federal legislation passed in early 2010 will create a near-universal health insurance system around the country by 2014.

Crime and law enforcement

Law enforcement in the United States is primarily the responsibility of local police and sheriff's departments, with state police providing broader services. Federal agencies such as the Federal Bureau of Investigation (FBI) and the U.S. Marshals Service have specialized duties. At the federal level and in almost every state, jurisprudence operates on a common law system. State courts conduct most criminal trials; federal courts handle certain designated crimes as well as certain appeals from the state systems. Federal law prohibits a variety of drugs, although states sometimes pass laws in conflict with federal regulations. The smoking age is generally 18 and the drinking age is generally 21.

Among developed nations, the United States has above-average levels of violent crime and particularly high levels of gun violence and homicide. There were 5.0 murders per 100,000 persons in 2009, 10.4% fewer than in 2000. Gun ownership rights are the subject of contentious political debate.

The United States has the highest documented incarceration rate and total prison population in the world. At the start of 2008, more than 2.3 million people were incarcerated, more than one in every 100 adults. The current rate is about seven times the 1980 figure, and over three times the figure in Poland, the Organisation for Economic Co-operation and Development (OECD) country with the next highest rate. African American males are jailed at about six times the rate of white males and three times the rate of Hispanic males. The country's high rate of incarceration is largely due to sentencing and drug policies.

Though it has been abolished in most Western nations, capital punishment is sanctioned in the United States for certain federal and military crimes, and in thirty-four states. Since 1976, when the U.S. Supreme Court reinstated the death penalty after a four-year moratorium, there have been more than 1,000 executions. In 2010, the country had the fifth highest number of executions in the world, following China, Iran, North Korea, and Yemen. In 2007, New Jersey became the first state to legislatively abolish the death penalty since the 1976 Supreme Court decision, followed by New Mexico in 2009 and Illinois in 2011.

Demographics

{|class="infobox" style="font-size: 90%; border: 1px solid #999; float: right; margin-left: 1em; width: 240px;" |- style="background:#f5f5f5;" ! colspan="2" | Race/Ethnicity (2010) |- | White || style="text-align: center;" |72.4% |- | Black/African American || style="text-align: center;" |12.6% |- | Asian || style="text-align: center;" |4.8% |- | American Indian and Alaska Native || style="text-align: center;" |0.9% |- | Native Hawaiian and Pacific Islander || style="text-align: center;" |0.2% |- | Other || style="text-align: center;" |6.2% |- | Two or more races || style="text-align: center;" | 2.9% |- | Hispanic/Latino (''of any race'') || style="text-align: center;" |16.3% |}

The U.S. Census Bureau estimates the country's population now to be }}, including an estimated 11.2 million illegal immigrants. The U.S. population almost quadrupled during the 20th century, from about 76 million in 1900. The third most populous nation in the world, after China and India, the United States is the only industrialized nation in which large population increases are projected. Even with a birth rate of 13.82 per 1,000, 30% below the world average, its population growth rate is positive at 1%, significantly higher than those of many developed nations. In fiscal year 2010, over 1 million immigrants (most of whom entered through family reunification) were granted legal residence. Mexico has been the leading source of new residents for over two decades; since 1998, China, India, and the Philippines have been in the top four sending countries every year.

The United States has a very diverse population—thirty-one ancestry groups have more than one million members. White Americans are the largest racial group; German Americans, Irish Americans, and English Americans constitute three of the country's four largest ancestry groups. African Americans are the nation's largest racial minority and third largest ancestry group. Asian Americans are the country's second largest racial minority; the two largest Asian American ethnic groups are Chinese Americans and Filipino Americans. In 2010, the U.S. population included an estimated 5.2 million people with some American Indian or Alaska Native ancestry (2.9 million exclusively of such ancestry) and 1.2 million with some native Hawaiian or Pacific island ancestry (0.5 million exclusively). The census counted more than 19 million people of "Some Other Race" who were "unable to identify with any" of its five official race categories in 2010.

The population growth of Hispanic and Latino Americans (the terms are officially interchangeable) is a major demographic trend. The 50.5 million Americans of Hispanic descent are identified as sharing a distinct "ethnicity" by the Census Bureau; 64% of Hispanic Americans are of Mexican descent. Between 2000 and 2010, the country's Hispanic population increased 43% while the non-Hispanic population rose just 4.9%. Much of this growth is from immigration; as of 2007, 12.6% of the U.S. population was foreign-born, with 54% of that figure born in Latin America. Fertility is also a factor; the average Hispanic woman gives birth to 3.0 children in her lifetime, compared to 2.2 for non-Hispanic black women and 1.8 for non-Hispanic white women (below the replacement rate of 2.1). Minorities (as defined by the Census Bureau, all those beside non-Hispanic, non-multiracial whites) constitute 34% of the population, and are projected to constitute the majority by 2042.

About 82% of Americans live in urban areas (including suburbs); about half of those reside in cities with populations over 50,000. In 2008, 273 incorporated places had populations over 100,000, nine cities had more than 1 million residents, and four global cities had over 2 million (New York City, Los Angeles, Chicago, and Houston). There are fifty-two metropolitan areas with populations greater than 1 million. Of the fifty fastest-growing metro areas, forty-seven are in the West or South. The metro areas of Dallas, Houston, Atlanta, and Phoenix all grew by more than a million people between 2000 and 2008.

Language

{|class="infobox" style="font-size: 90%; border: 1px solid #999; float: right; margin-left: 1em; width: 200px;" |- style="background:#f5f5f5;" !colspan="2"|Languages (2007) |- |English (''only'')||style="text-align: center;"|225.5 million |- |Spanish, incl. Creole||style="text-align: center;"|34.5 million |- |Chinese||style="text-align: center;"|2.5 million |- |French, incl. Creole||style="text-align: center;"|2.0 million |- |Tagalog||style="text-align: center;"|1.5 million |- |Vietnamese||style="text-align: center;"|1.2 million |- |German||style="text-align: center;"|1.1 million |- |Korean||style="text-align: center;"|1.1 million |}

English is the de facto national language. Although there is no official language at the federal level, some laws—such as U.S. naturalization requirements—standardize English. In 2007, about 226 million, or 80% of the population aged five years and older, spoke only English at home. Spanish, spoken by 12% of the population at home, is the second most common language and the most widely taught second language. Some Americans advocate making English the country's official language, as it is in at least twenty-eight states. Both Hawaiian and English are official languages in Hawaii by state law.

While neither has an official language, New Mexico has laws providing for the use of both English and Spanish, as Louisiana does for English and French. Other states, such as California, mandate the publication of Spanish versions of certain government documents including court forms. Many jurisdictions with large numbers of non-English speakers produce government materials, especially voting information, in the most commonly spoken languages in those jurisdictions. Several insular territories grant official recognition to their native languages, along with English: Samoan and Chamorro are recognized by American Samoa and Guam, respectively; Carolinian and Chamorro are recognized by the Northern Mariana Islands; Spanish is an official language of Puerto Rico.

Religion

The United States is officially a secular nation; the First Amendment of the U.S. Constitution guarantees the free exercise of religion and forbids the establishment of any religious governance. In a 2002 study, 59% of Americans said that religion played a "very important role in their lives", a far higher figure than that of any other wealthy nation. According to a 2007 survey, 78.4% of adults identified themselves as Christian, down from 86.4% in 1990. Protestant denominations accounted for 51.3%, while Roman Catholicism, at 23.9%, was the largest individual denomination. The study categorizes white evangelicals, 26.3% of the population, as the country's largest religious cohort; another study estimates evangelicals of all races at 30–35%. The total reporting non-Christian religions in 2007 was 4.7%, up from 3.3% in 1990. The leading non-Christian faiths were Judaism (1.7%), Buddhism (0.7%), Islam (0.6%), Hinduism (0.4%), and Unitarian Universalism (0.3%). The survey also reported that 16.1% of Americans described themselves as agnostic, atheist, or simply having no religion, up from 8.2% in 1990.

Family structure

In 2007, 58% of Americans age 18 and over were married, 6% were widowed, 10% were divorced, and 25% had never been married. Women now mostly work outside the home and receive a majority of bachelor's degrees.

Same-sex marriage is a contentious issue. Some states permit civil unions or domestic partnerships in lieu of marriage. Since 2003, several states have legalized gay marriage as the result of judicial or legislative action. Meanwhile, the federal government and a majority of states define marriage as between a man and a woman and/or explicitly prohibit same-sex marriage. Public opinion on the issue has shifted from general opposition in the 1990s to a statistical deadlock as of 2011.

The U.S. teenage pregnancy rate, 79.8 per 1,000 women, is the highest among OECD nations. Abortion policy was left to the states until the Supreme Court legalized the practice in 1972. The issue remains highly controversial, with public opinion closely divided for many years. Many states ban public funding of the procedure and restrict late-term abortions, require parental notification for minors, and mandate a waiting period. While the abortion rate is falling, the abortion ratio of 241 per 1,000 live births and abortion rate of 15 per 1,000 women aged 15–44 remain higher than those of most Western nations.

Culture

The United States is a multicultural nation, home to a wide variety of ethnic groups, traditions, and values. Aside from the now small Native American and Native Hawaiian populations, nearly all Americans or their ancestors immigrated within the past five centuries. The culture held in common by most Americans—mainstream American culture—is a Western culture largely derived from the traditions of European immigrants with influences from many other sources, such as traditions brought by slaves from Africa. More recent immigration from Asia and especially Latin America has added to a cultural mix that has been described as both a homogenizing melting pot, and a heterogeneous salad bowl in which immigrants and their descendants retain distinctive cultural characteristics.

American culture is considered the most individualistic in the world. Though the American Dream, or the perception that Americans enjoy high social mobility, plays a key role in attracting immigrants, other developed nations offer greater social mobility. While the mainstream culture holds that the United States is a classless society, scholars identify significant differences between the country's social classes, affecting socialization, language, and values. The American middle and professional class has initiated many contemporary social trends such as modern feminism, environmentalism, and multiculturalism. Americans' self-images, social viewpoints, and cultural expectations are associated with their occupations to an unusually close degree. While Americans tend greatly to value socioeconomic achievement, being ordinary or average is generally seen as a positive attribute.

Popular media

The world's first commercial motion picture exhibition was given in New York City in 1894, using Thomas Edison's Kinetoscope. The next year saw the first commercial screening of a projected film, also in New York, and the United States was in the forefront of sound film's development in the following decades. Since the early 20th century, the U.S. film industry has largely been based in and around Hollywood, California. Director D. W. Griffith was central to the development of film grammar and Orson Welles's ''Citizen Kane'' (1941) is frequently cited as the greatest film of all time. American screen actors like John Wayne and Marilyn Monroe have become iconic figures, while producer/entrepreneur Walt Disney was a leader in both animated film and movie merchandising. The major film studios of Hollywood have produced the most commercially successful movies in history, such as ''Star Wars'' (1977) and ''Titanic'' (1997), and the products of Hollywood today dominate the global film industry.

Americans are the heaviest television viewers in the world, and the average viewing time continues to rise, reaching five hours a day in 2006. The four major broadcast networks are all commercial entities. Americans listen to radio programming, also largely commercialized, on average just over two-and-a-half hours a day. Aside from web portals and search engines, the most popular websites are Facebook, YouTube, Wikipedia, Blogger, eBay, and Craigslist.

The rhythmic and lyrical styles of African-American music have deeply influenced American music at large, distinguishing it from European traditions. Elements from folk idioms such as the blues and what is now known as old-time music were adopted and transformed into popular genres with global audiences. Jazz was developed by innovators such as Louis Armstrong and Duke Ellington early in the 20th century. Country music developed in the 1920s, and rhythm and blues in the 1940s. Elvis Presley and Chuck Berry were among the mid-1950s pioneers of rock and roll. In the 1960s, Bob Dylan emerged from the folk revival to become one of America's most celebrated songwriters and James Brown led the development of funk. More recent American creations include hip hop and house music. American pop stars such as Presley, Michael Jackson, and Madonna have become global celebrities.

Literature, philosophy, and the arts

In the 18th and early 19th centuries, American art and literature took most of its cues from Europe. Writers such as Nathaniel Hawthorne, Edgar Allan Poe, and Henry David Thoreau established a distinctive American literary voice by the middle of the 19th century. Mark Twain and poet Walt Whitman were major figures in the century's second half; Emily Dickinson, virtually unknown during her lifetime, is now recognized as an essential American poet. A work seen as capturing fundamental aspects of the national experience and character—such as Herman Melville's ''Moby-Dick'' (1851), Twain's ''The Adventures of Huckleberry Finn'' (1885), and F. Scott Fitzgerald's ''The Great Gatsby'' (1925)—may be dubbed the "Great American Novel".

Eleven U.S. citizens have won the Nobel Prize in Literature, most recently Toni Morrison in 1993. William Faulkner and Ernest Hemingway are often named among the most influential writers of the 20th century. Popular literary genres such as the Western and hardboiled crime fiction developed in the United States. The Beat Generation writers opened up new literary approaches, as have postmodernist authors such as John Barth, Thomas Pynchon, and Don DeLillo.

The transcendentalists, led by Thoreau and Ralph Waldo Emerson, established the first major American philosophical movement. After the Civil War, Charles Sanders Peirce and then William James and John Dewey were leaders in the development of pragmatism. In the 20th century, the work of W. V. Quine and Richard Rorty, built upon by Noam Chomsky, brought analytic philosophy to the fore of U.S. academics. John Rawls and Robert Nozick led a revival of political philosophy.

In the visual arts, the Hudson River School was a mid-19th-century movement in the tradition of European naturalism. The realist paintings of Thomas Eakins are now widely celebrated. The 1913 Armory Show in New York City, an exhibition of European modernist art, shocked the public and transformed the U.S. art scene. Georgia O'Keeffe, Marsden Hartley, and others experimented with new styles, displaying a highly individualistic sensibility. Major artistic movements such as the abstract expressionism of Jackson Pollock and Willem de Kooning and the pop art of Andy Warhol and Roy Lichtenstein developed largely in the United States. The tide of modernism and then postmodernism has brought fame to American architects such as Frank Lloyd Wright, Philip Johnson, and Frank Gehry. One of the first major promoters of American theater was impresario P. T. Barnum, who began operating a lower Manhattan entertainment complex in 1841. The team of Harrigan and Hart produced a series of popular musical comedies in New York starting in the late 1870s. In the 20th century, the modern musical form emerged on Broadway; the songs of musical theater composers such as Irving Berlin, Cole Porter, and Stephen Sondheim have become pop standards. Playwright Eugene O'Neill won the Nobel literature prize in 1936; other acclaimed U.S. dramatists include multiple Pulitzer Prize winners Tennessee Williams, Edward Albee, and August Wilson.

Though little known at the time, Charles Ives's work of the 1910s established him as the first major U.S. composer in the classical tradition, while experimentalists such as Henry Cowell and John Cage created a distinctive American approach to classical composition. Aaron Copland and George Gershwin developed a new synthesis of popular and classical music. Choreographers Isadora Duncan and Martha Graham helped create modern dance, while George Balanchine and Jerome Robbins were leaders in 20th century ballet. Americans have long been important in the modern artistic medium of photography, with major photographers including Alfred Stieglitz, Edward Steichen, and Ansel Adams. The newspaper comic strip and the comic book are both U.S. innovations. Superman, the quintessential comic book superhero, has become an American icon.

Food

Mainstream American cuisine is similar to that in other Western countries. Wheat is the primary cereal grain. Traditional American cuisine uses indigenous ingredients, such as turkey, venison, potatoes, sweet potatoes, corn, squash, and maple syrup, which were consumed by Native Americans and early European settlers. Slow-cooked pork and beef barbecue, crab cakes, potato chips, and chocolate chip cookies are distinctively American foods. Soul food, developed by African slaves, is popular around the South and among many African Americans elsewhere. Syncretic cuisines such as Louisiana creole, Cajun, and Tex-Mex are regionally important.

Characteristic dishes such as apple pie, fried chicken, pizza, hamburgers, and hot dogs derive from the recipes of various immigrants. French fries, Mexican dishes such as burritos and tacos, and pasta dishes freely adapted from Italian sources are widely consumed. Americans generally prefer coffee to tea. Marketing by U.S. industries is largely responsible for making orange juice and milk ubiquitous breakfast beverages.

The American fast food industry, the world's largest, pioneered the drive-through format in the 1930s. Fast food consumption has sparked health concerns. During the 1980s and 1990s, Americans' caloric intake rose 24%; frequent dining at fast food outlets is associated with what public health officials call the American "obesity epidemic". Highly sweetened soft drinks are widely popular, and sugared beverages account for 9% of American caloric intake.

Sports

Baseball has been regarded as the national sport since the late 19th century, while American football is now by several measures the most popular spectator sport. Basketball and ice hockey are the country's next two leading professional team sports. College football and basketball attract large audiences. Boxing and horse racing were once the most watched individual sports, but they have been eclipsed by golf and auto racing, particularly NASCAR. Soccer is played widely at the youth and amateur levels. Tennis and many outdoor sports are popular as well.

While most major U.S. sports have evolved out of European practices, basketball, volleyball, skateboarding, snowboarding, and cheerleading are American inventions. Lacrosse and surfing arose from Native American and Native Hawaiian activities that predate Western contact. Eight Olympic Games have taken place in the United States. The United States has won 2,301 medals at the Summer Olympic Games, more than any other country, and 253 in the Winter Olympic Games, the second most.

Measurement systems

The country retains United States customary units, constituted largely by British imperial units such as miles, yards, and degrees Fahrenheit. Distinct units include the U.S. gallon and U.S. pint volume measurements. The United States is one of only three countries that have not adopted the International System of Units. However, metric units are increasingly used in science, medicine, and many industrial fields.

See also

International rankings of the United States

List of Americans

List of places in the United States

List of U.S. state portals

References

External links

;Government

Official U.S. Government Web Portal Gateway to government sites

House Official site of the United States House of Representatives

Senate Official site of the United States Senate

White House Official site of the President of the United States

[ Supreme Court] Official site of the Supreme Court of the United States ;Overviews and Data

InfoUSA Portal to U.S. Information Agency resources

Library of Congress Official site of the U.S. Library of Congress

Demographic Highlights Statistics from the Population Reference Bureau

The 50 States of the U.S.A. Collected informational links for each state

United States travel guide from Wikitravel

United States ''Encyclopædia Britannica'' entry

U.S. Census Housing and Economic Statistics Wide-ranging data from the U.S. Census Bureau

U.S. Citizenship and Immigration Services Official government site

State Fact Sheets Population, employment, income, and farm data from the U.S. Economic Research Service

State Energy Profiles Economic, environmental, and energy data for each state from the U.S. Energy Information Administration

;History

Historical Documents Collected by the National Center for Public Policy Research

U.S. National Mottos: History and Constitutionality Analysis by the Ontario Consultants on Religious Tolerance

USA Collected links to historical data

;Maps

National Atlas of the United States Official maps from the U.S. Department of the Interior

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fullname	State of Illinois
electoralvotes	21
flag	Flag of Illinois.svg
flaglink	Flag
seal	Seal of Illinois.svg
name	Illinois
nickname	Land of Lincoln; The Prairie State
motto	State sovereignty, national union
former	Illinois Territory
demonym	Illinoisan
officiallang	English
languages	English (80.8%)Spanish (10.9%)Polish (1.6%)Other (6.7%)
map	Map_of_USA_IL.svg
capital	Springfield
largestcity	Chicago
largestmetro	Chicago metropolitan area
governor	Pat Quinn (D)
lieutenant governor	Sheila Simon (D)
legislature	General Assembly
upperhouse	Senate
lowerhouse	House of Representatives
senators	Dick Durbin (D)Mark Kirk (R)
Representative	11 Republicans, 8 Democrats
postalabbreviation	IL, Ill.,
borderingstates	Indiana, Iowa, KentuckyMissouri, Wisconsin
arearank	25th
totalareaus	57,914
totalarea	149,998
landareaus	55,593
landarea	143,968
waterareaus	2,320
waterarea	5,981
pcwater	4.0/ Negligible
poprank	5th
2000pop (old)	12,831,970
| 2000pop	12,830,632 (2010)
densityrank	12th
2000densityus	223.4
2000density	86.27
medianhouseholdincome	$54,124
incomerank	17
admittanceorder	21st
admittancedate	December 3, 1818
timezone	Central: UTC-6/-5
latitude	36° 58′ N to 42° 30′ N
longitude	87° 30′ W to 91° 31′ W
widthus	210
width	340
lengthus	395
length	629
highestpoint	Charles Mound
highestelevus	1,235
highestelev	377
meanelevus	600
meanelev	182
lowestpoint	Mississippi River
lowestelevus	279
lowestelev	85
isocode	US-IL
website	www.illinois.gov }}

name	Illinois
Flag	Flag of Illinois.svg
Flagsize	100px
Seal	Seal of Illinois.svg
Sealsize	100px
amphibian	Eastern Tiger Salamander
bird	Northern Cardinal
butterfly	Monarch Butterfly
fish	Bluegill
flower	Violet
grass	Big Bluestem
insect
mammal	White-tailed deer
reptile	Painted Turtle
tree	White oak
dance	Square dance
food	Gold Rush Apple Popcorn
fossil	Tully Monster
mineral	Fluorite
poem	The Death Poem
slogan	"Land of Lincoln"
soil	Drummer silty clay loam
song	"Illinois"
route marker	Illinois 19.svg|300px
quarter	2003 IL Proof.png|100px|Illinois quarter
quarterreleasedate	2003 }}

Illinois ( ) is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a broad economic base. Illinois is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the St. Lawrence Seaway, to the Atlantic Ocean; as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has ranked as one of the world's busiest airports. As the "most average state", Illinois has long had a reputation as a bellwether both in social and cultural terms and politics.

In the 1810s, settlers began arriving from Kentucky. In 1818 Illinois achieved statehood. The state's population originally grew from south to north. Chicago was founded in the 1830s on the banks of the Chicago River, one of the few natural harbors on southern Lake Michigan. Railroads and John Deere's invention of the self-scouring steel plow turned Illinois' rich prairie into some of the world's most productive and valuable farmlands, attracting immigrant farmers from Germany and Sweden. By 1900, the growth of industrial jobs in the northern cities and coal mining in the central and southern areas attracted immigrants from Eastern and Southern Europe. Illinois was an important manufacturing center during both world wars. The Great Migration established a large community of African Americans in Chicago that created the city's famous jazz and blues cultures.

Three U.S. Presidents have been elected while living in IllinoisAbraham Lincoln, Ulysses S. Grant, and Barack Obama. Additionally, President Ronald Reagan, whose political career was based in California, was actually the only US President born and raised in Illinois. Today, Illinois honors Lincoln with its official state slogan, ''Land of Lincoln'', which has been displayed on its license plates since 1954.

Name

"Illinois" is the modern spelling for the early French missionaries and explorers' name for the Illinois people, a name that was spelled in many different ways in the early records.

The name "Illinois" has traditionally been said to mean "man" or "men" in the Miami-Illinois language, with the original ''iliniwek'' transformed via French into Illinois. However, this etymology is not supported by the Illinois language itself, in which the word for 'man' is ''ireniwa'' and plural 'men' is ''ireniwaki''. The name ''Illiniwek'' has also been said to mean "tribe of superior men", though this is nothing more than a false etymology. In fact the name "Illinois" derives from the Miami-Illinois verb ''irenwe·wa'' "he speaks the regular way". This was then taken into the Ojibwe language, perhaps in the Ottawa dialect, and modified into ''ilinwe·'' (pluralized as ''ilinwe·k''). These forms were then borrowed into French, where the /we/ ending acquired the spelling ''-ois''. The current form, ''Illinois'', began to appear in the early 1670s. The Illinois's name for themselves, as attested in all three of the French missionary-period dictionaries of Illinois, was ''Inoka'', of unknown meaning and unrelated to the other terms.

History

Pre-European

Native Americans lived along the waterways of the Illinois area for thousands of years before the arrival of Europeans. The Koster Site has been excavated and demonstrated 7,000 years of continuous habitation. Cahokia, the largest regional chiefdom and urban center of the Pre-Columbian Mississippian culture, was located near present-day Collinsville, Illinois. They built more than 100 mounds and a woodhenge in a planned design expressing the culture's cosmology. The civilization vanished in the 15th century for unknown reasons, but historians and archeologists have speculated that the people depleted the area of resources. Many indigenous tribes engaged in constant warfare. According to Suzanne Austin Alchon, "At one site in the central Illinois River valley, one-third of all adults died as a result of violent injuries."

The next major power in the region was the Illinois Confederation or Illini, a political alliance among several tribes. There were about 25,000 Illinois Indians in 1700, but systematic attacks and warfare by the Iroquois reduced their numbers by 90%. Gradually, members of the Potawatomi, Miami, Sauk, and other tribes came in from the east and north. In the American Revolution, the Illinois and Potawatomi supported the American colonists' cause.

European exploration

French explorers Jacques Marquette and Louis Jolliet explored the Illinois River in 1673. In 1680, other French explorers constructed a fort at the site of present day Peoria, and in 1682, a fort atop Starved Rock in today's Starved Rock State Park. As a result of this French exploration, Illinois was part of the French empire until 1763, when it passed to the British with their conquest of New France. The small French settlements continued; a few British soldiers were posted in Illinois, but there were no British or American settlers. In 1778, George Rogers Clark claimed the Illinois Country for Virginia. The area was ceded by Virginia to the new United States in 1783 and became part of the Northwest Territory.

19th century

The Illinois-Wabash Company was an early claimant to much of Illinois. The Illinois Territory was created on February 3, 1809, with its capital at Kaskaskia.

During the discussions leading up to Illinois' admission to the Union, the proposed northern boundary of the state was moved twice. The original provisions of the Northwest Ordinance had specified a boundary that would have been tangent to the southern tip of Lake Michigan. Such a boundary would have actually left Illinois with no shoreline on Lake Michigan at all. However, as Indiana had successfully been granted a 10-mile northern extension of its boundary to provide it with a usable lakefront, the original bill for Illinois statehood, submitted to Congress on January 23, 1818, stipulated a northern border at the same latitude as Indiana's which is defined as north of the southernmost extremity of Lake Michigan. But the Illinois delegate, Nathaniel Pope, wanted more. Pope lobbied to have the boundary moved further north, and the final bill passed by Congress did just such; it included an amendment to shift the border to 42° 30' north, which is approximately north of the Indiana northern border. This shift added to the state, including the lead mining region near Galena. More importantly, it added nearly 50 miles of Lake Michigan shoreline and the Chicago River. Pope and others envisioned a canal which would connect the Chicago and Illinois rivers, and thusly, connect the Great Lakes to the Mississippi.

In 1818, Illinois became the 21st U.S. state. The capital remained at Kaskaskia, headquartered in a small building rented by the state. In 1819, Vandalia became the capital, and over the next 18 years, three separate buildings were built to serve successively as the capitol building. In 1837, the state legislators representing Sangamon County, under the leadership of state representative Abraham Lincoln, succeeded in having the capital moved to Springfield, where a fifth capitol building was constructed. A sixth capitol building was erected in 1867, which continues to serve as the Illinois capitol today.

Though ostensibly a "free state", Illinois had slavery. The French owned black slaves as late as the 1820s. Slavery was nominally banned by the Northwest Ordnance, but that was not enforced. When Illinois became a sovereign state in 1818, the Ordnance no longer applied, and there were about 900 slaves there. As the southern part of the state, known as "Egypt", was largely settled by migrants from the South, the section was hostile to free blacks and allowed settlers to bring slaves with them for labor. Most citizens were opposed to allowing blacks as permanent residents, and efforts to make slavery official failed in 1822. Nevertheless, some slaves were brought in seasonally or as house servants. The Illinois Constitution of 1848 was written with a provision for exclusionary laws to be passed. In 1853, John A. Logan helped pass a law to prohibit all African Americans, including freedmen, from settling in the state.

In 1832, the Black Hawk War was fought in Illinois and current day Wisconsin between the United States and the Sauk, Fox (Meskwaki) and Kickapoo Indian tribes. The Indians withdrew to Iowa; when they attempted to return, they were defeated by U.S. militia and forced back to Iowa.

The winter of 1830–1831 is called the "Winter of the Deep Snow"; a sudden, deep snowfall blanketed the state, making travel impossible for the rest of the winter, and many travelers perished. Several severe winters followed, including the "Winter of the Sudden Freeze". On December 20, 1836, a fast-moving cold front passed through, freezing puddles in minutes and killing many travelers who could not reach shelter. The adverse weather resulted in crop failures in the northern part of the state. The southern part of the state shipped food north and this may have contributed to its name: "Little Egypt", after the Biblical story of Joseph in Egypt supplying grain to his brothers.

By 1839, the Mormons had founded a utopian city called Nauvoo. Located in Hancock County, along the Mississippi River, Nauvoo flourished and soon rivaled Chicago for the position of the state's largest city. But in 1844, the Mormon leader Joseph Smith was murdered in the Carthage Jail, about 30 miles away from Nauvoo. Soon afterward, after close to six years of rapid development, Nauvoo saw a rapid decline after the Mormons' new leadership led them out of Illinois in a mass exodus to present-day Utah.

Chicago gained prominence as a Great Lakes port and then as an Illinois and Michigan Canal port after 1848, and as a rail hub soon afterward. By 1857, Chicago was Illinois' largest city. With the tremendous growth of mines and factories in the state in the 19th century, Illinois played an important role in the formation of labor unions in the United States. The Pullman Strike and Haymarket Riot in particular greatly influenced the development of the American labor movement. From Sunday, October 8, 1871, until Tuesday, October 10, 1871, the Great Chicago Fire burned in downtown Chicago, destroying .

In 1847, after lobbying by Dorothea L. Dix, Illinois became one of the first states to establish a system of state-supported treatment of mental illness and disabilities, replacing local almshouses.

Civil War

thumb|right|Embarkation of [[Union (American Civil War)|Union troops from Cairo on January 10, 1862]]. During the American Civil War, over 250,000 Illinois men served in the Union Army, a figure surpassed by only New York, Pennsylvania, and Ohio. Beginning with President Abraham Lincoln's first call for troops and continuing throughout the war, Illinois mustered 150 infantry regiments, which were numbered from the 7th to the 156th regiments. Seventeen cavalry regiments were also gathered, as well as two light artillery regiments. The town of Cairo at the southern tip of the state served as a strategically important supply base and training center for the Union army. For several months, both General Grant and Admiral Foote had headquarters in Cairo.

Twentieth century

At the turn of the 20th century, Illinois had a population of nearly 5 million. Bolstered by continued immigration from southern and eastern Europe, and by African-Americans from Mississippi, Louisiana, and Arkansas, Illinois grew and emerged as one of the most important states in the union. By the end of the century, the population had reached 12.4 million.

The Century of Progress World's Fair was held at Chicago in 1933. Oil strikes in Marion County and Crawford County lead to a boom in 1937, and, by 1939, Illinois ranked fourth in U.S. oil production. Chicago became an ocean port with the opening of the Saint Lawrence Seaway in 1959. The seaway and the Illinois Waterway connected Chicago to both the Mississippi River and the Atlantic Ocean. In 1960, Ray Kroc opened the first McDonald's franchise in Des Plaines (which still exists today as a museum, with a working McDonald's across the street).

No state has had a more prominent role than Illinois in the emergence of the nuclear age. As part of the Manhattan Project, the first sustained nuclear chain reaction took place at the University of Chicago in 1942. In 1957, Argonne National Laboratory, near Chicago, activated the first experimental nuclear power generating system in the United States. By 1960, the first privately financed nuclear plant in United States, Dresden 1, was dedicated near Morris. In 1967, Fermilab, a national nuclear research facility near Batavia, opened a particle accelerator which was the world largest for over forty years. And, with eleven plants currently operating, Illinois leads all states in the amount of electricity generated from nuclear power.

The state's fourth constitution was adopted in 1970, replacing the 1870 document. The first Farm Aid concert was held in Champaign to benefit American farmers, in 1985. The worst upper Mississippi River flood of the century, the Great Flood of 1993, inundated many towns and thousands of acres of farmland.

Geography

Boundaries

Illinois' eastern border with Indiana consists of a north-south line at west longitude, from Lake Michigan to the Wabash River, above Post Vincennes. The Wabash River continues as the eastern/southeastern border with Indiana, until the Wabash enters the Ohio River. This marks the beginning of Illinois' southern border with Kentucky, which runs along the northern shoreline of the Ohio River. Its western border with Missouri and Iowa is the Mississippi River. Its northern border with Wisconsin is fixed at north latitude. The northeastern border of Illinois actually lies within Lake Michigan, within which Illinois shares a water boundary with the state of Michigan.

Topography

Though Illinois lies entirely in the Interior Plains, it does have some minor variation in its elevation. In extreme northwestern Illinois, the Driftless Area, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Charles Mound, located in this region, has the state's highest elevation above sea level at 1,235 feet (376 m). The floodplain on the Mississippi River from Alton to the Kaskaskia River is known as the American Bottom.

Divisions

Illinois has three major geographical divisions. Northern Illinois is dominated by the Chicago metropolitan area; the city of Chicago, its suburbs, and the adjoining exurban area into which the metropolis is expanding. As defined by the federal government, the Chicago metro area includes several counties in Illinois, Indiana, and Wisconsin. Chicago is a cosmopolitan city, densely populated, industrialized, the transportation hub of the nation, and settled by a wide variety of ethnic groups with a population of 9.8 million people. The city of Rockford, the fourth largest metropolitan area, and the state's third largest city, sits along Interstates 39 and 90 some northwest of Chicago. The Quad Cities region, located along the Mississippi River in northern Illinois, had a population of 379,066 in 2009.

Southward and westward, the second major division is Central Illinois, an area of mostly prairie. Known as the Heart of Illinois, it is characterized by small towns and mid-sized cities. The western section (west of the Illinois River) was originally part of the Military Tract of 1812 and forms the conspicuous western bulge of the state. Agriculture, particularly corn and soybeans, as well as educational institutions and manufacturing centers, figure prominently. Cities include Peoria, the third largest metropolitan area in Illinois at 370,000; Springfield, the state capital; Quincy; Decatur; Bloomington-Normal; and Champaign-Urbana.

The third division is Southern Illinois, comprising the area south of U.S. Route 50, including Little Egypt, near the juncture of the Mississippi River and Ohio River. Southern Illinois is the site of the ancient city of Cahokia, as well as the site of the first state capital at Kaskaskia, which today is separated from the rest of the state by the Mississippi River. This region can be distinguished from the other two by its warmer climate, different variety of crops (including some cotton farming in the past), more rugged topography (due to the area remaining unglaciated during the Illinoian Stage, unlike most of the rest of the state), as well as small-scale oil deposits and coal mining. The Illinois suburbs of St. Louis comprise the second most populous metropolitan area in Illinois with over 700,000 inhabitants, and are known collectively as the Metro-East. The other significant concentration of population in Southern Illinois is the Carbondale-Marion-Herrin, Illinois Combined Statistical Area centered on Carbondale and Marion, a two-county area that is home to 123,272 residents. A portion of southeastern Illinois is part of the extended Evansville, Indiana Metro Area, locally referred to as the Tri-State with Indiana and Kentucky. Seven Illinois counties are in the area.

In addition to these three, largely latitudinally defined divisions, all of the region outside of the Chicago Metropolitan area is often called "downstate" Illinois. This term is flexible, but is generally meant to mean everything outside the Chicago-area. Thus, some cities in ''Northern'' Illinois, such as DeKalb, which is west of Chicago, and Rockford—which is actually ''north'' of Chicago—are considered to be "downstate".

Climate

Because of its nearly 400 mile distance from its northernmost and southernmost extremes, as well as its mid-continental situation, Illinois has a widely varying climate. Most of Illinois has a humid continental climate (Köppen climate classification ''Dfa''), with hot, humid summers and cold winters. The southernmost part of the state, from about Carbondale southward, borders on a humid subtropical climate (Koppen ''Cfa''), with more moderate winters. Average yearly precipitation for Illinois varies from just over at the southern tip to around in the northern portion of the state. Normal annual snowfall exceeds in the Chicago area, while the southern portion of the state normally receives less than . The all time high temperature was , recorded on July 14, 1954, at East St. Louis, Illinois, while the all time low temperature was , recorded on January 5, 1999, at Congerville, Illinois.

Illinois averages around 51 days of thunderstorm activity a year, which ranks somewhat above average in the number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around five tornadoes per annually. The deadliest tornadoes on record in the nation have occurred largely in Illinois, not because the tornadoes are more common or frequent in Illinois, but rather, because Illinois is simply the most populous state in Tornado Alley. The Tri-State Tornado of 1925 killed 695 people in three states; 613 of the victims died in Illinois. Modern developments in storm tracking have caused death tolls from tornadoes to dramatically decline since the 1960s, with no major losses of life in the state since the 1967 tornado storm in northern Illinois.

Monthly Normal High and Low Temperatures For Various Illinois Cities>

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Demographics

In the 2010 Census, Illinois was found to have a population of 12,830,632, representing a slightly lower increase than had been anticipated in estimates from two years earlier. Illinois is the most populous state in the Midwest region. The Chicago metropolitan area, the third most populous city in the United States, comprises only 8% of the land area of the state, but contains 65% of the state's residents.

Specific demographic data from the 2010 Census is not subject to release until March 2011, but as of the 2007 estimates from the U.S. Census Bureau, there were 1,768,518 foreign-born inhabitants of the state or 13.8% of the population, with 48.4% from Latin America, 24.6% from Asia, 22.8% from Europe, 2.9% from Africa, 1.2% from Northern America and 0.2% from Oceania. Of the foreign-born population, 43.7% were naturalized U.S. citizens and 56.3% were not U.S. citizens. Additionally, the racial distributions were as follows: 65.0% White American, 15.0% African American, 14.9% Latino American, 4.3% Asian American, 0.3% American Indian and Alaska Natives, and 0.1% Native Hawaiians and Pacific Islander American. In 2007, 6.9% of Illinois' population was reported as being under age 5, 24.9% under age 18 and 12.1% were age 65 and over. Females made up approximately 50.7% of the population.

According to the 2007 estimates, 21.1% of the population had German ancestry, 13.3% had Irish ancestry, 7.9% had Polish ancestry, 6.7% had English ancestry, 6.4% had Italian ancestry, 4.6% listed themselves as American, 2.4% had Swedish ancestry, 2.2% had French ancestry, other than Basque, 1.6% had Dutch ancestry, 1.4% had Norwegian ancestry and 1.3% had Scottish ancestry. Also, 21.8% of the population age 5 years and over reported speaking a language other than English, with 12.8% of the population speaking Spanish, 5.6% speaking other Indo-European languages, 2.5% speaking Asian and Austronesian languages, and 0.8% speaking other languages.

Chicago, along the shores of Lake Michigan, is the nation's third largest city. In 2000, 23.3% of Illinois' population lived in the city of Chicago, 43.3% in Cook County and 65.6% in the counties of the Chicago metropolitan area: Will, DuPage, Kane, Lake and McHenry counties, as well as Cook County. The remaining population lives in the smaller cities and rural areas that dot the state's plains. As of 2000, the state's center of population was at , located in Grundy County, northeast of the village of Mazon.

Urban areas

Chicago is the largest city in the state and the third most populous city in the United States, with its 2010 population of 2,695,598. The U.S. Census Bureau currently lists seven other cities with populations of over 100,000 within Illinois. Based upon the Census Bureau's official 2010 population,: Aurora, a Chicago satellite town which eclipsed Rockford for the title of "Second City" of Illinois in 2006; its 2010 population was 197,899. Rockford, at 152,871, is the third largest city in the state, and is also the largest city in the state not located within the Chicago metropolitan area. Joliet, located southwest of Chicago, is the fourth largest city in the state, with a population of 147,433. Naperville, a suburb of Chicago, is fifth with 141,853; Naperville and Aurora (the 2nd largest city) share a boundary along Illinois Route 59. Springfield, the state capital of Illinois, comes in sixth with 117,352. Peoria, which decades ago was the second largest city in the state, comes in seventh with 115,007. The eighth largest and final city in the 100,000 club is Elgin, a northwest suburb of Chicago with a 2010 population of 108,188.

The most populated city in the state south of Springfield is Belleville, with 44,478 people at the 2010 census. It is located in the Illinois portion of Greater St. Louis (often called the Metro-East area), which has a rapidly growing population of over 700,000 people.

Other major urban areas include the Champaign-Urbana Metropolitan Area, which has a combined population of almost 230,000 people, the Illinois portion of the Quad Cities area with about 215,000 people, and the Bloomington-Normal area with a combined population of over 165,000.

Religion

Roman Catholics constitute the single largest religious denomination in Illinois; they are heavily concentrated in and around Chicago, and account for nearly 30% of the state's population. However, taken together ''as a group'', the various Protestant denominations comprise a greater percentage of the state's population than do Catholics. In 2000 Catholics in Illinois numbered 3,874,933, the largest Protestant denominations were the United Methodist Church, with 365,182 members, and the Southern Baptist Convention, with 305,838. The largest non-Christian group were Jews with 270,000. Chicago and its suburbs are also home to a large and growing population of Hindus, Muslims, Baha'is and Sikhs.

Illinois played an important role in the early Latter Day Saint movement, with Nauvoo, Illinois, becoming a gathering place for Mormons in the early 1840s. Nauvoo was the location of the succession crisis, which led to the separation of the Mormon movement into several Latter Day Saint sects. The Church of Jesus Christ of Latter-day Saints, the largest of the sects to emerge from the Mormon schism, claims 55,460 in Illinois today.

Economy

The dollar gross state product for Illinois was estimated to be billion in 2008. The state's 2008 per capita gross state product was estimated to be , and the state's per capita personal income was estimated to be in 2009.

, the state's unemployment rate was 11.5%, and two months later, the rate dropped to 10.8% in May.

Taxes

Illinois' state income tax is calculated by multiplying net income by a flat rate. In 1990, that rate was set at 3%, but in 2010, the General Assembly voted in a temporary increase in the rate to 5%; the new rate went into effect on January 1, 2011, and is scheduled to return to 3% after four years. There are two rates for state sales tax: 6.25% for general merchandise and 1% for qualifying food, drugs and medical appliances. The property tax is the largest single tax in Illinois, and is the major source of tax revenue for local government taxing districts. The property tax is a local not state tax, imposed by local government taxing districts, which include counties, townships, municipalities, school districts and special taxation districts. The property tax in Illinois is imposed only on real property.

Agriculture

Illinois' major agricultural outputs are corn, soybeans, hogs, cattle, dairy products, and wheat. In most years, Illinois is either the first or second state for the highest production of soybeans, with a harvest of 427.7 million bushels (11.64 million metric tons) in 2008, after Iowa's production of 444.82 million bushels (12.11 million metric tons). Illinois ranks second in U.S. corn production with more than 1.5 billion bushels produced annually. Illinois also produces wine, and the state is home to two American viticultural areas. Illinois' universities are actively researching alternative agricultural products as alternative crops.

Manufacturing

Illinois is one of the nation's manufacturing leaders, boasting annual value added productivity by manufacturing of over $107 billion in 2006. About three-quarters of the state's manufacturers are located in the Northeastern Opportunity Return Region, with 38 percent of Illinois' approximately 18,900 manufacturing plants located in Cook County. As of 2006, the leading manufacturing industries in Illinois, based upon value-added, were chemical manufacturing ($18.3 billion), machinery manufacturing ($13.4 billion), food manufacturing ($12.9 billion), fabricated metal products ($11.5 billion), transportation equipment ($7.4 billion), plastics and rubber products ($7.0 billion), and computer and electronic products ($6.1 billion).

Services

By the early 2000s, Illinois' economy had moved toward a dependence on high-value-added services, such as financial trading, higher education, law, logistics, and medicine. In some cases, these services clustered around institutions that hearkened back to Illinois' earlier economies. For example, the Chicago Mercantile Exchange, a trading exchange for global derivatives, had begun its life as an agricultural futures market. Other important non-manufacturing industries include publishing, tourism, and energy production and distribution.

Energy

Illinois is a net importer of fuels for energy, despite large coal resources and some minor oil production. Illinois exports electricity, ranking fifth among states in electricity production and seventh in electricity consumption.

Coal

The coal industry of Illinois has its origins in the middle 19th century, when entrepreneurs such as Jacob Loose discovered coal in locations such as Sangamon County. Jacob Bunn contributed to the development of the Illinois coal industry, and was a founder and owner of the Western Coal & Mining Company of Illinois. About 68% of Illinois has coal-bearing strata of the Pennsylvanian geologic period. According to the Illinois State Geological Survey, 211 billion tons of bituminous coal are estimated to lie under the surface, having a total heating value greater than the estimated oil deposits in the Arabian Peninsula. However, this coal has a high sulfur content, which causes acid rain unless special equipment is used to reduce sulfur dioxide emissions. Many Illinois power plants are not equipped to burn high-sulfur coal. In 1999, Illinois produced 40.4 million tons of coal, but only 17 million tons (42%) of Illinois coal was consumed in Illinois. Most of the coal produced in Illinois is exported to other states, while much of the coal burned for power in Illinois (21 million tons in 1998) is mined in the Powder River Basin of Wyoming.

Mattoon was recently chosen as the site for the Department of Energy's FutureGen project, a 275 megawatt experimental zero emission coal-burning power plant which just received a second round of funding from the DOE.

Petroleum

Illinois is a leading refiner of petroleum in the American Midwest, with a combined crude oil distillation capacity of nearly . However, Illinois has very limited crude oil proved reserves that account for less than 1% of U.S. crude oil proved reserves. Residential heating is 81% natural gas compared to less than 1% heating oil. Illinois is ranked 14th in oil production among states, with a daily output of approximately in 2005.

Nuclear power

Nuclear power arguably began in Illinois with the Chicago Pile-1, the world's first artificial self-sustaining nuclear chain reaction in the world's first nuclear reactor, built on the University of Chicago campus. There are six operating nuclear power plants in Illinois: Braidwood; Byron; Clinton; Dresden; LaSalle; and Quad Cities. With the exception of the single-unit Clinton plant, each of these facilities has two reactors. Three reactors have been permanently shut down and are in various stages of decommissioning: Dresden-1 and Zion-1 and 2. , Illinois was ranked first among the 50 states both in nuclear capacity and nuclear generation. In 2007, 48% of Illinois' electricity was generated using nuclear power.

Wind power

Illinois has seen growing interest in the use of wind power for electrical generation. Most of Illinois was rated in 2009 as "marginal or fair" for wind energy production by the U.S. Department of Energy, with some western sections rated "good" and parts of the south rated "poor". These ratings are for wind turbines with hub heights; newer wind turbines are taller, enabling them to reach stronger winds farther from the ground. As a result, more areas of Illinois have become prospective wind farm sites. As of September 2009, Illinois had 1116.06 MW of installed wind power nameplate capacity with another 741.9 MW under construction. Illinois ranked ninth among U.S. states in installed wind power capacity, and sixteenth by potential capacity. Large wind farms in Illinois include Twin Groves, Rail Splitter, EcoGrove, and Mendota Hills.

As of 2007, wind energy represented only 1.7% of Illinois' energy production, and it was estimated that wind power could provide 5-10% of the state's energy needs. Also, the Illinois General Assembly mandated in 2007 that by 2025, 25% of all electricity generated in Illinois is to come from renewable resources.

Biofuels

Illinois is ranked second in corn production among U.S. states, and Illinois corn is used to produce 40% of the ethanol consumed in the United States. The Archer Daniels Midland corporation in Decatur, Illinois is the world's leading producer of ethanol from corn.

University of Illinois at Urbana-Champaign is one of the partners in the Energy Biosciences Institute (EBI), a $500 million biofuels research project funded by petroleum giant BP.

Arts and culture

Museums

Illinois has numerous museums. The state of the art Abraham Lincoln Presidential Library and Museum in Springfield is the largest presidential library in the country; numerous museums in the city of Chicago are considered some of the best in the world. These include the John G. Shedd Aquarium, the Field Museum of Natural History, the Art Institute of Chicago, the Adler Planetarium, the Museum of Science and Industry and the Polish Museum of America. Illinois is also home to several landmark historic house museums such as Magnolia Manor in Cairo or the Elihu Benjamin Washburne and Ulysses S. Grant Homes in Galena.

Music

Illinois is a leader in music education having hosted the Midwest Clinic: An International Band and Orchestra Conference since 1946, as well being home to the Illinois Music Educators Association (IMEA), one of the largest professional music educator's organizations in the country. Each summer since 2004, Southern Illinois University Carbondale has played host to the Southern Illinois Music Festival, which presents dozens of performances throughout the region. Past featured artists include the Eroica Trio and violinist David Kim.

Sports

Major league teams

As one of the United States' major metropolises, all major sports leagues have teams headquartered in Chicago. Two Major League Baseball teams are located in the state. The Chicago Cubs of the National League play in the second-oldest major league stadium (Wrigley Field) and are widely known for having the longest championship drought in all of major American sport: not winning the World Series since 1908. The Chicago White Sox of the American League won the World Series in 2005, their first since 1917.

The Chicago Bears football team has won nine total NFL Championships, the last occurring in Super Bowl XX in 1986. The NFL's Arizona Cardinals were the ''Chicago'' Cardinals until they left the city in 1961.

The Chicago Bulls of the NBA is one of the most recognized basketball teams in the world, due largely to the efforts of Michael Jordan, who led the team to six NBA championships in eight seasons in the 1990s.

The Chicago Blackhawks of the NHL began playing in 1926, as a member of the Original Six and have won four Stanley Cups, most recently in 2010 (after one of the longest Stanley Cup droughts of any NHL team, not having won since 1961).

The Chicago Fire soccer club is a member of MLS and is one of the league's most successful and best-supported, since its founding in 1997, winning one league and four Lamar Hunt U.S. Open Cups in that timespan.

Minor league teams

Many minor league teams also call Chicago their home. These include

The Chicago Rush of the Arena Football League, who won ArenaBowl XX in 2006.

The Chicago Wolves is an AHL team.

The Chicago Sky of the WNBA

The Chicago Bandits of the NPF, a female softball league; the Bandits won their first title in 2008

The Chicago Red Stars of the WPS, a female soccer league

Folded sports franchises

The city was formerly home to several other teams that either failed to survive, or that belonged to leagues that folded.

The Chicago Blitz, United States Football League

The Chicago Sting, Major Indoor Soccer League

The Chicago Cougars, World Hockey Association

The Chicago Rockers, Continental Basketball Association

The Chicago Skyliners, American Basketball Association

The Chicago Bruisers, Arena Football League

The Chicago Power, National Professional Soccer League

The Chicago Blaze, National Women's Basketball League.

Professional sports teams outside of Chicago

Chicago is not the only place in Illinois where professional sports are played. The Rockford Lightning is one of the oldest CBA teams in the league. The Peoria Chiefs and Kane County Cougars are minor league baseball teams affiliated with MLB. The Schaumburg Flyers and Lake County Fielders are members of the North American League, and the Southern Illinois Miners, Gateway Grizzlies, Joliet Slammers, Windy City ThunderBolts and Normal CornBelters belong to the Frontier League.

In addition to the Chicago Wolves, the AHL also has two teams in Illinois outside of Chicago: the Rockford IceHogs serves as the AHL affiliate of the Chicago Blackhawks, and the Peoria Rivermen is the AHL affiliate of the St. Louis Blues.

Motor racing

Illinois has a long tradition of motor racing. Oval tracks at the Chicagoland Speedway in Joliet, the Chicago Motor Speedway in Cicero and the Gateway International Raceway in Madison, near St. Louis, have hosted NASCAR, CART and IRL races, whereas the Sports Car Club of America, among other national and regional road racing clubs, have visited the Autobahn Country Club in Joliet, the Blackhawk Farms Raceway in South Beloit and the former Meadowdale International Raceway in Carpentersville. Illinois also has several short tracks and dragstrips. The dragstrip at Gateway International Raceway and the Route 66 Raceway, which sits on the same property as the Chicagoland Speedway, both host NHRA drag races.

Parks and recreation

The Illinois state parks' system began in 1908 with what is now Fort Massac State Park, becoming the first park in a system encompassing over 60 parks and about the same number of recreational and wildlife areas.

Areas under the protection and control of the National Park Service include: the Illinois and Michigan Canal National Heritage Corridor near Lockport; the Lewis and Clark National Historic Trail; the Lincoln Home National Historic Site in Springfield; the Mormon Pioneer National Historic Trail; the Trail of Tears National Historic Trail; and the American Discovery Trail.

In March 2011, Illinois ranked as a bottom-seven "Worst" state (tied with Georgia and Oklahoma) in the American State Litter Scorecard. The Land of Lincoln suffers from overall poor effectiveness and quality of its statewide public space cleanliness—due to state and related eradication standards and performance indicators.

Governance

While the organization of the central government of Illinois is largely the same as every other state (having three branches of government: executive, legislative and judicial), below this top level, the substructure of Illinois' government is extremely complex, arguably the most complex of all fifty states.

State government structure

Legislative functions are granted to the Illinois General Assembly, composed of the 118-member Illinois House of Representatives and the 59-member Illinois Senate. The executive branch is led by the Governor of Illinois, but four other executive officials are separately elected by the people. The judiciary is composed of the Supreme Court of Illinois and the lower appellate and circuit courts.

Local government structure

Illinois has more units of local government than any other state—over 8,000 in all.. The basic subdivision of Illinois is like almost every other state, the county, and Illinois has 102 of these. About half of these counties, in turn, are divided into townships, which is much the same as many other Midwestern states. And finally, Illinois has a number of cities, villages, and towns commensurate with a state of its size. But the counties, townships, and municipal governments in Illinois make up only about 1/4 of all of the governmental units in the state. The reason Illinois has so many units of government is because so many single-purpose governmental entities have been created.

Not uniquely, Illinois has school districts which do not share boundaries with either counties nor townships. What would observers from many other states as odd is that there are many places where a given piece of land sits within ''two'' school districts, one high school district, and another elementary district, each of which has its own school board and its own taxing authority.

Another common political unit is the "library district". Library districts are run by library boards elected at the same elections as are governors, senators, and presidents. The boundaries of these library districts occasionally coincide with those of another governmental entity, such as a township, but more often, they are set independently. Another unit of government with taxation authority is the "sanitary district", a euphemism for "sewage district". Many Illinoisians first learned of the existence of these entities when, in 1978, a sanitary district board member named Alex Seith captured the Democratic nomination for U.S. Senate against the veteran senator Charles Percy and nearly upset him in the general election. There are additional units of government that oversee watersheds, land use, and many other functions that in another state would be handled by the county or city governments.

The Constitution of 1970 created, for the first time in Illinois, a type of "home rule", which allows cities of certain sizes to opt out of certain types of state laws.

Law enforcement

The complexity and overlapping jurisdictions of Illinois' law enforcement agencies is not unlike that of the overlapping taxing authorities noted above. At the state level, there are at least eleven law enforcement agencies. At the county level, there are sheriffs, forest preserve police and other specialized police forces. At the local level, most cities and many villages have municipal police forces, park district police forces, and even local specialized police forces. Many colleges also have their own campus police that are often sworn police officers.

In 2000, Illinois was ranked 4th in the U.S. in the number of full-time sworn officers with 321 per 100,000 persons, behind Louisiana (415), New York (384), and New Jersey (345). In this ranking, only New York had a higher total population than Illinois. Illinois is also near the top of most law enforcement numbers lists, such as number of agencies per state, number of agencies with special jurisdictions, and number of local police agencies. Even taking into account that Illinois is the fifth most populous state, many of the ratios are higher than more populated states. There is much overlap in jurisdiction amongst the different law enforcement agencies.

Politics

Party balance

Historically, Illinois was long a major swing state, with near-parity existing between the Republican and the Democratic parties. However, in recent elections, the Democratic Party has slowly gained ground, and Illinois has come to be seen as more of a "blue" state. Chicago and most of Cook County votes have long been strongly Democratic. In addition, Democratic voters have moved to the traditionally Republican "collar counties" (the suburbs surrounding Chicago's Cook County, Illinois), which are becoming increasingly diverse.

Republicans continue to prevail in rural northern and central Illinois; Republican support is strong in southern Illinois outside of the East St. Louis metropolitan area. Illinois has voted for Democratic presidential candidates in the last five elections. State resident Barack Obama easily won the state's 21 electoral votes in 2008, by a margin of 25 percentage points with 61.9% of the vote. And though the Republicans' electoral performance in the 2010 mid-year elections marked some improvement, the trend in Illinois politics for the long term appears to be more blue than red.

History of corruption

Politics in the state, particularly those of the Chicago machine, have been famous for highly visible corruption cases, as well as for crusading reformers, such as governors Adlai Stevenson (D) and James R. Thompson (R). In 2006, former Governor George Ryan (R) was convicted of racketeering and bribery. In 2008, then-Governor Rod Blagojevich (D) was served with a criminal complaint on corruption charges, stemming from allegations that he conspired to sell the vacated Senate seat left by President Barack Obama (D) to the highest bidder. In the late 20th century, Congressman Dan Rostenkowski (D) was imprisoned for mail fraud; former governor and federal judge Otto Kerner, Jr. (D) was imprisoned for bribery; and State Auditor of Public Accounts (Comptroller) Orville Hodge (R) was imprisoned for embezzlement. In 1912, William Lorimer, the GOP boss of Chicago, was expelled from the U.S. Senate for bribery and in 1921, Governor Len Small (R) was found to have defrauded the state of a million dollars.

US Presidents from Illinois

Three presidents have claimed Illinois as their political base: Lincoln, Grant, and Obama. Lincoln was born in Kentucky, but moved to Illinois at the age of 21; he served in the General Assembly and represented the 7th congressional district in the US House of Representatives before his election as President. Ulysses S. Grant was born in Ohio and had a military career that precluded settling down, but on the eve of the Civil War, and approaching middle age, Grant moved to Illinois and thus claimed it as his home when running for President. Barack Obama was born and raised in Hawaii (other than a four year period of his childhood spent in Indonesia) and made Illinois his home and base after completing law school.

Only one person elected President of the United States was actually born in Illinois. Ronald Reagan was born in Tampico, raised in Dixon and educated at Eureka College. Reagan moved to Los Angeles as a young adult and later became Governor of California before being elected President.

Though never elected president, Illinois Governor Adlai Stevenson, who was born and raised in central Illinois, was the Democratic nominee for president in 1952 and 1956.

Black senators

Since the adoption of the United States Constitution in 1789, only six African-Americans have served as members of the United States Senate, and ''half'' of them represented Illinois: Carol Moseley-Braun, Barack Obama, and Roland Burris, who was appointed to replace Obama after his election to the presidency.

Education

Illinois State Board of Education

The Illinois State Board of Education or ISBE, is autonomous of the governor and the state legislature, and administers public education in the state. Local municipalities and their respective school districts operate individual public schools but the ISBE audits performance of public schools with the Illinois School Report Card. The ISBE also makes recommendations to state leaders concerning education spending and policies.

Primary and secondary schools

Education is compulsory from kindergarten through the twelfth grade in Illinois, commonly but not exclusively divided into three tiers of primary and secondary education: elementary school, middle school or junior high school and high school. District territories are often complex in structure. Many areas in the state are actually located in ''two'' school districts—one for high school, the other for elementary and middle schools. And such districts do not necessarily share boundaries. A given high school may have several elementary districts that feed into it, yet some of those feeder districts may themselves feed into multiple high school districts.

Colleges and universities

Using the criterion established by the Carnegie Foundation for the Advancement of Teaching, there are eleven "National Universities" in the state. , five of these rank in the "first tier" (that is, the top quartile) among the top 500 National Universities in the United States, as determined by the ''U.S. News & World Report'' rankings: the University of Chicago (8), Northwestern University (12), the University of Illinois at Urbana-Champaign (39), Illinois Institute of Technology (106), and Loyola University Chicago (119).

Illinois also has more than 20 additional accredited four-year universities, both public and private, and dozens of small liberal arts colleges across the state. Additionally, Illinois supports 49 public community colleges in the Illinois Community College System.

Infrastructure

Transportation

Because of its central location and its proximity to the Rust Belt and Grain Belt, Illinois is a national crossroads for air, auto, rail and truck traffic.

Chicago's O'Hare International Airport (ORD) is one of the busiest airports in the world, with 59.3 million domestic passengers annually, along with 11.4 million international passengers in 2008. It is a major hub for United Airlines and American Airlines, and a major airport expansion project is currently underway. Chicago Midway International Airport (MDW) is the secondary airport in the Chicago metropolitan area, and is a major hub for Southwest Airlines. It served 17.3 million domestic and international passengers in 2008.

Illinois has an extensive passenger and freight rail transportation network. Chicago is a national Amtrak hub and in-state passengers are served by Amtrak's Illinois Service, featuring the Chicago to Carbondale ''Illini'' and ''Saluki'', the Chicago to Quincy ''Carl Sandburg'' and ''Illinois Zephyr'', and the Chicago to St. Louis ''Lincoln Service''. Currently there is trackwork on the Chicago-St. Louis line to bring the maximum speed up to which would reduce the trip time by an hour and a half. Nearly every North American railway meets at Chicago, making it the largest and most active rail hub in the country. Extensive commuter rail is provided in the city proper and some immediate suburbs by the Chicago Transit Authority's 'L' system. The largest suburban commuter rail system in the United States, operated by Metra, uses existing rail lines to provide direct commuter rail access for hundreds of suburbs to the city and beyond.

In March 2011, Illinois ranked as a bottom-seven "Worst" state (tied with Georgia and Oklahoma) in the American State Litter Scorecard. The Land of Lincoln suffers from overall poor effectiveness and quality of its statewide public space cleanliness (primarily from roadway and adjacent litter/debris abatement)--due to state and related eradication standards and performance indicators.

Major U.S. Interstate highways crossing the state include: I-24, I-39, I-55, I-57, I-64, I-70, I-72, I-74, I-80, I-88, I-90, and I-94. Its central location is the reason that Illinois carries the distinction of having the most primary (2-digit) Interstates pass through it among the 50 states.

In addition to the state's rail lines, the Mississippi River and Illinois River provide major transportation routes for the state's agricultural interests. Lake Michigan gives Illinois access to the Atlantic Ocean by way of the Saint Lawrence Seaway.

See also

Chicago

List of National Register of Historic Places in Illinois

List of people from Illinois

U.S. state

References

Further reading

External links

State of Illinois ''official government website''

The Official Website for International Visitors to Chicago

State of Illinois research information guide from the University of Illinois at Urbana–Champaign

Illinois Bureau of Tourism

Illinois: Science In Your Backyard USGS Illinois State Agency Databases compiled by the Government Documents Round Table (GODORT) of the American Library Association Illinois State Energy Profile DOE, Energy Information Administration Illinois: State Fact Sheets USDA, Economic Research Service Illinois State Guide LOC, Virtual Programs & Services Biographies Of Governors of Illinois: 1818 to 1885 compiled by OnlineBiographies.info Illinois Highways Page by Richard Carlson

Category:States of the United States Category:States and territories established in 1818

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Name	United States Senate
Legislature	112th United States Congress
Background color	#000099
Text color	#FFFFFF
Coa pic	Senate Seal.svg
Session room	110th US Senate class photo.jpg
House type	Upper house
Structure2	112USSenateStructure.svg
Structure2 res	250px
Leader1 type	President
Leader1	Joe Biden
Party1	(D)
Election1	January 20, 2009
Leader2 type	President pro tempore
Leader2	Daniel Inouye
Party2	(D)
Election2	June 28, 2010
Leader4 type	Majority Leader
Leader4	Harry Reid
Party4	(D)
Election4	January 4, 2007
Leader5 type	Minority Leader
Leader5	Mitch McConnell
Party5	(R)
Election5	January 4, 2007
Members	100
Political groups1	Democratic Caucus (53 members) Republican Conference (47 members)
Last election1	November 2, 2010
Meeting place	Senate ChamberUnited States Capitol Washington, D.C. United States
Website	http://www.senate.gov }}

The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each U.S. state is represented by two senators, regardless of population. Senators serve staggered six-year terms. The chamber of the United States Senate is located in the north wing of the Capitol, in Washington, D.C., the national capital. The House of Representatives convenes in the south wing of the same building.

The Senate has several exclusive powers not granted to the House, including consenting to treaties as a precondition to their ratification and consenting or confirmation of appointments of Cabinet secretaries, federal judges, other federal executive officials, military officers, regulatory officials, ambassadors, and other federal uniformed officers, as well as trial of federal officials impeached by the House. The Senate is both a more deliberative and more prestigious body than the House of Representatives, due to its longer terms, smaller size, and statewide constituencies, which historically led to a more collegial and less partisan atmosphere. The Senate has been described by some members of the American media as the "world's greatest deliberative body."

History

The framers of the Constitution created a bicameral Congress primarily as a compromise between those who felt that each state, since it was sovereign, should be equally represented, and those who felt the Legislature must directly represent the People, as did the House of Commons in Britain. There was also a desire to have two Houses that could act as an internal check on each other. One was intended to be a "People's House" directly elected by the People, and with short terms obliging the representatives to remain close to their constituents. The other was intended to represent the states to such extent as they retained their sovereignty except for the powers expressly delegated to the national government. The Senate was thus not intended to represent the people of the United States equally. The Constitution provides that the approval of both chambers is necessary for the passage of legislation.

The Senate of the United States was formed on the example of the ancient Roman Senate. The name is derived from the ''senatus'', Latin for ''council of elders'' (from ''senex'' meaning ''old man'' in Latin).

The Constitution stipulates that no constitutional amendment may be created to deprive a state of its equal suffrage in the Senate without that state's consent. The District of Columbia and all other territories (including territories, protectorates, etc.) are not entitled to representation in either House of the Congress. The United States has had 50 states since 1959, thus the Senate has had 100 senators since 1959.

The disparity between the most and least populous states has grown since the Great Compromise, which granted each state two members of the Senate and at least one member of the House of Representatives, for a total minimum of three presidential Electors, regardless of population. In 1787, Virginia had roughly 10 times the population of Rhode Island, whereas today California has roughly 70 times the population of Wyoming, based on the 1790 and 2000 censuses. This means some citizens are effectively an order of magnitude better represented in the Senate than those in other states. Seats in the House of Representatives are approximately proportionate to the population of each state, reducing the disparity of representation.

Before the passage of the Seventeenth Amendment, senators were elected by the individual state legislatures. However, problems with repeated vacant seats due to the inability of a legislature to elect senators, intrastate political struggles, and even bribery and intimidation gradually led to a growing movement to amend the Constitution to allow for the direct election of senators.

Membership

Qualifications

Article I, Section 3 of the Constitution sets three qualifications for senators: 1) each senator must be at least 30 years old, 2) must have been a citizen of the United States for at least the past nine years, and 3) must be (at the time of the election) an inhabitant of the state he or she seeks to represent. The age and citizenship qualifications for senators are more stringent than those for representatives. In Federalist No. 62, James Madison justified this arrangement by arguing that the "senatorial trust" called for a "greater extent of information and stability of character."

The Senate (not the judiciary) is the sole judge of a senator's qualifications. During its early years, however, the Senate did not closely scrutinize the qualifications of members. As a result, three senators who failed to meet the age qualification were nevertheless admitted to the Senate: Henry Clay (aged 29 in 1806), Armistead Thomson Mason (aged 28 in 1816), and John Eaton (aged 28 in 1818). Such an occurrence, however, has not been repeated since. In 1934, Rush D. Holt, Sr. was elected to the Senate at the age of 29; he waited until he turned 30 to take the oath of office. Likewise, Joe Biden was elected to the Senate shortly before his 30th birthday in 1972; he had passed his 30th birthday by the time the Senate conducted its swearing-in ceremony for that year's incoming senators in January 1973.

The Fourteenth Amendment to the United States Constitution disqualifies from the Senate any federal or state officers who had taken the requisite oath to support the Constitution, but later engaged in rebellion or aided the enemies of the United States. This provision, which came into force soon after the end of the Civil War, was intended to prevent those who sided with the Confederacy from serving. That Amendment, however, also provides a method to remove that disqualification: a two-thirds vote of both chambers of Congress.

Elections and term

Originally, senators were selected by the state legislatures, not by popular elections. By the early years of the 20th century, the legislatures of as many as 29 states had provided for popular election of senators by referendums. Popular election to the Senate was standardized nationally in 1913 by the ratification of the 17th Amendment.

Term

Senators serve terms of six years each; the terms are staggered so that approximately one-third of the seats are up for election every two years. This was achieved by dividing the senators of the 1st Congress into thirds (called classes), where the terms of one-third expired after two years, the terms of another third expired after four, and the terms of the last third expired after six years. This arrangement was also followed after the admission of new states into the union. The staggering of terms has been arranged such that both seats from a given state are not contested in the same general election, except when a mid-term vacancy is being filled. Current senators whose six-year terms expire on January 3, 2013, belong to Class I.

A member who has been elected, but not yet seated, is called a "senator-elect"; a member who has been appointed to a seat, but not yet seated, is called a "senator-designate".

Elections

Elections to the Senate are held on the first Tuesday after the first Monday in November in even-numbered years, Election Day, and coincide with elections for the House of Representatives. Senators are elected by their state as a whole. In most states (since 1970), a primary election is held first for the Republican and Democratic parties, with the general election following a few months later. Ballot access rules for independent and minor party candidates vary from state to state. The winner is the candidate who receives a plurality of the popular vote. In some states, runoffs are held if no candidate wins a majority.

Mid-term vacancies

The Seventeenth Amendment allows governors, with the approval of their legislature, to appoint temporary senators until either a special or regular election takes place. The official wording provides that "the legislature of any State may empower the executive thereof to make temporary appointments until the people fill the vacancies by election as the legislature may direct." Some states, as stated above, provide for a special election to fill a Senate vacancy. A special election need not be held immediately after the vacancy arises; often, it may wait until the next biennial congressional election. If a special election for one seat happens to coincide with a general election for the state's other seat, then the two elections are not combined, but are instead contested separately. A senator elected in a special election serves until the original six-year term expires, not for a full term.

Forty-six states permit governors to make Senate appointments of varying lengths as of 2009. Oregon and Wisconsin require special elections for vacancies, and Oklahoma permits the governor to appoint only the winner of a special election. In September 2009, Massachusetts changed its law to enable the governor to appoint a temporary replacement for the late Senator Kennedy until the special election in January 2010. In 2004, Alaska enacted legislation and a separate ballot referendum that took effect on the same day, but that conflicted with each other. The effect of the ballot-approved law is to withhold from the governor authority to appoint a senator. Because the 17th Amendment vests the power to grant that authority to the legislature — not the people or the state generally — it is unclear whether the ballot measure supplants the legislature's statute granting that authority. As a result, it is uncertain whether an Alaska governor may appoint an interim senator to serve until a special election is held to fill the vacancy.

In 2009, Wisconsin Democratic Senator Russ Feingold announced he would introduce a bill proposing a constitutional amendment to require Senate vacancies be filled by special elections, as the Constitution already requires for vacancies in the House of Representatives.

Oath

The Constitution requires that senators take an oath or affirmation to support the Constitution. Congress has prescribed the following oath for new senators: ; see also: Standing Rules of the Senate: Rule III}}

Salary and benefits

The annual salary of each senator, as of 2009, is $174,000; the president pro tempore and party leaders receive $193,400. In June 2003, at least 40 of the then-senators were millionaires.

Along with earning salaries, senators receive retirement and health benefits that are identical to other federal employees, and are fully vested after five years of service. Senators are covered by the Federal Employees Retirement System (FERS) or Civil Service Retirement System (CSRS). As it is for federal employees, congressional retirement is funded through taxes and the participants' contributions. Under FERS, senators contribute 1.3% of their salary into the FERS retirement plan and pay 6.2% of their salary in Social Security taxes. The amount of a senator's pension depends on the years of service and the average of the highest 3 years of their salary. The starting amount of a senator's retirement annuity may not exceed 80% of their final salary. In 2006, the average annual pension for retired senators and representatives under CSRS was $60,972, while those who retired under FERS, or in combination with CSRS, was $35,952.

Political prominence

Senators are regarded as more prominent political figures than members of the House of Representatives because there are fewer of them, and because they serve for longer terms, usually represent larger constituencies (the exception being House at-large districts, which similarly comprise entire states), sit on more committees, and have more staffers. Far more senators have been nominees for the presidency than representatives. Furthermore, three senators (Warren Harding, John Kennedy, and Barack Obama) have been elected president while serving in the Senate, while only one Representative (James Garfield) has been elected president while serving in the House, though Garfield was also a Senator-elect at the time of his election to the Presidency, having been chosen by the Ohio Legislature to fill a Senate vacancy.

Seniority

According to the convention of Senate seniority, the senator with the longer tenure in each state is known as the "senior senator"; the other is the "junior senator". This convention, however, does not have official significance, though it is a factor in the selection of physical offices. In the 111th Congress, the most-senior "junior senator" is Tom Harkin of Iowa, who was sworn in on January 3, 1985 and is currently 11th in seniority. The most-junior "senior senator" is Mark Udall of Colorado, who was sworn in on January 3, 2009—just two weeks before the state's junior senator, Michael Bennet – and is currently 85th in seniority.

Expulsion and other disciplinary actions

The Senate may expel a senator by a two-thirds vote. Fifteen senators have been expelled in the history of the Senate: William Blount, for treason, in 1797, and fourteen in 1861 and 1862 for supporting the Confederate secession. Although no senator has been expelled since 1862, many senators have chosen to resign when faced with expulsion proceedings—for example, Bob Packwood in 1995. The Senate has also censured and condemned senators; censure requires only a simple majority and does not remove a senator from office. Some senators have opted to withdraw from their re-election races rather than face certain censure or expulsion, such as Robert Torricelli in 2002.

Majority and minority parties

The "Majority party" is the political party that either has a majority of seats or can form a coalition or caucus with a majority of seats; if two or more parties are tied, the vice president's affiliation determines which party is the majority party. The next-largest party is known as the minority party. The president pro tempore, committee chairs, and some other officials are generally from the majority party; they have counterparts (for instance, the "ranking members" of committees) in the minority party. Independents and members of third parties (so long as they do not caucus with or support either of the larger parties) are not considered in determining which is the majority party.

Seating

The Democratic Party always sits to the presiding officer's right, and the Republican Party always sits to the presiding officer's left, regardless which party has a majority of seats. In this respect, the Senate differs from the House of Commons of the United Kingdom and other parliamentary bodies in the Commonwealth of Nations and elsewhere.

Officers

The Vice President of the United States presides over the Senate, but the party leaders have the real power and they control procedure. Many non-member officers are also hired to run the day-to-day functions of the Senate.

Presiding over the Senate

The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties. Since the 1950s, vice presidents have presided over few Senate debates. Instead, they have usually presided only on ceremonial occasions, such as joint sessions, or at times when a tie vote on an important issue is anticipated. The Constitution authorizes the Senate to elect a president pro tempore (Latin for "president for a time") to preside in the vice president's absence; the most senior senator of the majority party is customarily chosen to serve in this position. Like the vice president, the president pro tempore does not normally preside over the Senate, but typically delegates the responsibility of presiding to junior senators of the majority party, usually in blocks of one hour on a rotating basis. Frequently, freshmen senators (newly elected members) are asked to preside so that they may become accustomed to the rules and procedures of the body.

The presiding officer sits in a chair in the front of the Senate chamber. The powers of the presiding officer of the Senate are far less extensive than those of the Speaker of the House. The presiding officer calls on senators to speak (by the rules of the Senate, the first senator who rises is recognized); ruling on points of order (objections by senators that a rule has been breached, subject to appeal to the whole chamber); and announcing the results of votes.

Party leaders

Each party elects Senate party leaders. Floor leaders act as the party chief spokespeople. The Senate Majority Leader is responsible for controlling the agenda of the chamber by scheduling debates and votes. Each party elects a whip who works to ensure that their party's senators vote as the party leadership desires.

Non-member officers

The Senate is served by several officials who are not members. The Senate's chief administrative officer is the Secretary of the Senate, who maintains public records, disburses salaries, monitors the acquisition of stationery and supplies, and oversees clerks. The Assistant Secretary of the Senate aids the secretary in his or her work. Another official is the Sergeant at Arms who, as the Senate's chief law enforcement officer, maintains order and security on the Senate premises. The Capitol Police handle routine police work, with the sergeant at arms primarily responsible for general oversight. Other employees include the Chaplain, who is elected by the Senate, and Pages, who are appointed.

Procedure

Daily sessions

The Senate uses Standing Rules of the Senate for operation. Like the House of Representatives, the Senate meets in the United States Capitol in Washington, D.C. At one end of the chamber of the Senate is a dais from which the presiding officer presides. The lower tier of the dais is used by clerks and other officials. One hundred desks are arranged in the chamber in a semicircular pattern and are divided by a wide central aisle. By tradition, Republicans sit to the right of the center aisle and Democrats to the left, facing the presiding officer. Each senator chooses a desk based on seniority within and party. By custom, the leader of each party sits in the front row along the center aisle. Sessions of the Senate are opened with a special prayer or invocation and typically convene on weekdays. Sessions of the Senate are generally open to the public and are broadcast live on television, usually by C-SPAN 2.

Senate procedure depends not only on the rules, but also on a variety of customs and traditions. The Senate commonly waives some of its stricter rules by unanimous consent. Unanimous consent agreements are typically negotiated beforehand by party leaders. A senator may block such an agreement, but in practice, objections are rare. The presiding officer enforces the rules of the Senate, and may warn members who deviate from them. The presiding officer sometimes uses the gavel of the Senate to maintain order.

A "hold" is placed when the leader's office is notified that a senator intends to object to a request for unanimous consent from the Senate to consider or pass a measure. A hold may be placed for any reason and can be lifted by a senator at any time. A senator may place a hold simply to review a bill, to negotiate changes to the bill, or to kill the bill. A bill can be held for as long as the senator who objects to the bill wishes to block its consideration.

Holds can be overcome, but require time-consuming procedures such as filing cloture. Holds are considered private communications between a senator and the Leader, and are sometimes referred to as "secret holds." A senator may disclose that he or she has placed a hold.

The Constitution provides that a majority of the Senate constitutes a quorum to do business. Under the rules and customs of the Senate, a quorum is always assumed present unless a quorum call explicitly demonstrates otherwise. A senator may request a quorum call by "suggesting the absence of a quorum"; a clerk then calls the roll of the Senate and notes which members are present. In practice, senators rarely request quorum calls to establish the presence of a quorum. Instead, quorum calls are generally used to temporarily delay proceedings; usually such delays are used while waiting for a senator to reach the floor to speak or to give leaders time to negotiate. Once the need for a delay has ended, a senator may request unanimous consent to rescind the quorum call.

Debate

Debate, like most other matters governing the internal functioning of the Senate, is governed by internal rules adopted by the Senate. During debate, senators may only speak if called upon by the presiding officer, but the presiding officer is required to recognize the first senator who rises to speak. Thus, the presiding officer has little control over the course of debate. Customarily, the Majority Leader and Minority Leader are accorded priority during debates even if another senator rises first. All speeches must be addressed to the presiding officer, who is addressed as "Mr. President" or "Madam President", and not to another member; other Members must be referred to in the third person. In most cases, senators do not refer to each other by name, but by state or position, using forms such as "the senior senator from Virginia", "the gentlewoman from California", or "my distinguished friend the Chairman of the Judiciary Committee". Senators address the Senate standing next to their desk.

Apart from rules governing civility, there are few restrictions on the content of speeches; there is no requirement that speeches be germane to the matter before the Senate.

The rules of the Senate provide that no senator may make more than two speeches on a motion or bill on the same legislative day. A legislative day begins when the Senate convenes and ends with adjournment; hence, it does not necessarily coincide with the calendar day. The length of these speeches is not limited by the rules; thus, in most cases, senators may speak for as long as they please. Often, the Senate adopts unanimous consent agreements imposing time limits. In other cases (for example, for the budget process), limits are imposed by statute. However, the right to unlimited debate is generally preserved.

Filibuster and cloture

The filibuster is a tactic used to defeat bills and motions by prolonging debate indefinitely. A filibuster may entail long speeches, dilatory motions, and an extensive series of proposed amendments. The Senate may end a filibuster by invoking cloture. In most cases, cloture requires the support of three-fifths of the Senate; however, if the matter before the Senate involves changing the rules of the body—this includes amending provisions regarding the filibuster—a two-thirds majority is required. In current practice, the threat of filibuster is more important than its use; almost any motion that does not have the support of three-fifths of the Senate effectively fails. This means that 41 senators, which could represent as little as 12.3% of the U.S. population, can make a filibuster happen. Historically, cloture has rarely been invoked because bipartisan support is usually necessary to obtain the required supermajority, so a bill that already has bipartisan support is rarely subject to threats of filibuster. However, motions for cloture have increased significantly in recent years.

If the Senate invokes cloture, debate does not end immediately; instead, it is limited to 30 additional hours unless increased by another three-fifths vote. The longest filibuster speech in the history of the Senate was delivered by Strom Thurmond, who spoke for over 24 hours in an unsuccessful attempt to block the passage of the Civil Rights Act of 1957.

Under certain circumstances, the Congressional Budget Act of 1974 provides for a process called "reconciliation" by which Congress can pass bills related to the budget without those bills being subject to a filibuster. This is accomplished by limiting all Senate floor debate to 20 hours.

Voting

When debate concludes, the motion in question is put to a vote. The Senate often votes by voice vote. The presiding officer puts the question, and Members respond either "Yea" (in favor of the motion) or "Nay" (against the motion). The presiding officer then announces the result of the voice vote. A senator, however, may challenge the presiding officer's assessment and request a recorded vote. The request may be granted only if it is seconded by one-fifth of the senators present. In practice, however, senators second requests for recorded votes as a matter of courtesy. When a recorded vote is held, the clerk calls the roll of the Senate in alphabetical order; senators respond when their name is called. Senators who were not in the chamber when their name was called may still cast a vote so long as the voting remains open. The vote is closed at the discretion of the presiding officer, but must remain open for a minimum of 15 minutes. If the vote is tied, the vice president, if present, is entitled to a casting vote. If the vice president is not present, the motion fails.

Closed session

On occasion, the Senate may go into what is called a secret or closed session. During a closed session, the chamber doors are closed, cameras are turned off, and the galleries are completely cleared of anyone not sworn to secrecy, not instructed in the rules of the closed session, or not essential to the session. Closed sessions are rare and usually held only when the Senate is discussing sensitive subject matter such as information critical to national security, private communications from the president, or deliberations during impeachment trials. A senator may call for and force a closed session if the motion is seconded by at least one other member, but an agreement usually occurs beforehand. If the Senate does not approve release of a secret transcript, the transcript is stored in the Office of Senate Security and ultimately sent to the national archives. The proceedings remain sealed indefinitely until the Senate votes to remove the injunction of secrecy.

Calendars

The Senate maintains a Senate Calendar and an Executive Calendar. The former identifies bills and resolutions awaiting Senate floor actions. The latter identifies executive resolutions, treaties, and nominations reported out by Senate committee(s) and awaiting Senate floor action. Both are updated each day the Senate is in session.

Committees

:''See List of United States Senate committees for the full list.'' The Senate uses committees (and their subcommittees) for a variety of purposes, including the review of bills and the oversight of the executive branch. Formally, the whole Senate appoints committee members. In practice, however, the choice of members is made by the political parties. Generally, each party honors the preferences of individual senators, giving priority based on seniority. Each party is allocated seats on committees in proportion to its overall strength.

Most committee work is performed by 16 standing committees, each of which has jurisdiction over a field such as finance or foreign relations. Each standing committee may consider, amend, and report bills that fall under its jurisdiction. Furthermore, each standing committee considers presidential nominations to offices related to its jurisdiction. (For instance, the Judiciary Committee considers nominees for judgeships, and the Foreign Relations Committee considers nominees for positions in the Department of State.) Committees may block nominees and impede bills from reaching the floor of the Senate. Standing committees also oversee the departments and agencies of the executive branch. In discharging their duties, standing committees have the power to hold hearings and to subpoena witnesses and evidence.

The Senate also has several committees that are not considered standing committees. Such bodies are generally known as select or special committees; examples include the Select Committee on Ethics and the Special Committee on Aging. Legislation is referred to some of these committees, although the bulk of legislative work is performed by the standing committees. Committees may be established on an ''ad hoc'' basis for specific purposes; for instance, the Senate Watergate Committee was a special committee created to investigate the Watergate scandal. Such temporary committees cease to exist after fulfilling their tasks.

The Congress includes joint committees, which include members from both the Senate and the House of Representatives. Some joint committees oversee independent government bodies; for instance, the Joint Committee on the Library oversees the Library of Congress. Other joint committees serve to make advisory reports; for example, there exists a Joint Committee on Taxation. Bills and nominees are not referred to joint committees. Hence, the power of joint committees is considerably lower than those of standing committees.

Each Senate committee and subcommittee is led by a chair (usually a member of the majority party). Formerly, committee chairs were determined purely by seniority; as a result, several elderly senators continued to serve as chair despite severe physical infirmity or even senility. committee chairs are elected, but, in practice, seniority is rarely bypassed. The chairs hold extensive powers: they control the committee's agenda, and so decide how much, if any, time to devote to the consideration of a bill; they act with the power of the committee in disapproving or delaying a bill or a nomination by the president; they manage on the floor of the full Senate the consideration of those bills the committee reports. This last role was particularly important in mid-century, when floor amendments were thought not to be collegial. They also have considerable influence: senators who cooperate with their committee chairs are likely to accomplish more good for their states than those who do not. The Senate rules and customs were reformed in the twentieth century, largely in the 1970s. Committee chairmen have less power and are generally more moderate and collegial in exercising it, than they were before reform. The second-highest member, the spokesperson on the committee for the minority party, is known in most cases as the ranking member. In the Select Committee on Intelligence and the Select Committee on Ethics, however, the senior minority member is known as the vice chair.

Recent criticisms of the Senate's operations object to what the critics argue is obsolescence as a result of partisan paralysis and a preponderance of arcane rules.

Functions of the Senate

Legislative functions

Bills may be introduced in either House of Congress. However, the Constitution provides that "All bills for raising Revenue shall originate in the House of Representatives." As a result, the Senate does not have the power to initiate bills imposing taxes. Furthermore, the House of Representatives holds that the Senate does not have the power to originate appropriation bills, or bills authorizing the expenditure of federal funds. Historically, the Senate has disputed the interpretation advocated by the House. However, when the Senate originates an appropriations bill, the House simply refuses to consider it, thereby settling the dispute in practice. The constitutional provision barring the Senate from introducing revenue bills is based on the practice of the British Parliament, in which only the House of Commons may originate such measures.

Although the Constitution gave the House the power to initiate revenue bills, in practice the Senate is equal to the House in the respects of taxation and spending. As Woodrow Wilson wrote:

The approval of both houses is required for any bill, including a revenue bill, to become law. Both Houses must pass the same version of the bill; if there are differences, they may be resolved by sending amendments back and forth or by a conference committee, which includes members of both bodies.

Checks and balances

The Constitution provides several unique functions for the Senate that form its ability to "check and balance" the powers of other elements of the Federal Government. These include the requirement that the Senate may advise and must consent to some of the president's government appointments; also the Senate must ratify all treaties with foreign governments; it tries all impeachments, and it elects the vice president in the event no person gets a majority of the electoral votes.

The president can make certain appointments only with the advice and consent of the Senate. Officials whose appointments require the Senate's approval include members of the Cabinet, heads of most federal executive agencies, ambassadors, Justices of the Supreme Court, and other federal judges. Under Article II, Section 2 of the Constitution, a large number of government appointments are subject to potential confirmation; however, Congress has passed legislation to authorize the appointment of many officials without the Senate's consent (usually, confirmation requirements are reserved for those officials with the most significant final decision-making authority). Typically, a nominee is first subject to a hearing before a Senate committee. Thereafter, the nomination is considered by the full Senate. The majority of nominees are confirmed, but in a small number of cases each year, Senate Committees will purposely fail to act on a nomination to block it. In addition, the president sometimes withdraws nominations when they appear unlikely to be confirmed. Because of this, outright rejections of nominees on the Senate floor are infrequent (there have been only nine Cabinet nominees rejected outright in the history of the United States).

The powers of the Senate concerning nominations are, however, subject to some constraints. For instance, the Constitution provides that the president may make an appointment during a congressional recess without the Senate's advice and consent. The recess appointment remains valid only temporarily; the office becomes vacant again at the end of the next congressional session. Nevertheless, presidents have frequently used recess appointments to circumvent the possibility that the Senate may reject the nominee. Furthermore, as the Supreme Court held in ''Myers v. United States'', although the Senate's advice and consent is required for the appointment of certain executive branch officials, it is not necessary for their removal.

The Senate also has a role in ratifying treaties. The Constitution provides that the president may only "make Treaties, provided two thirds of the Senators present concur." However, not all international agreements are considered treaties under US domestic law, even if they are considered treaties under international law. Congress has passed laws authorizing the president to conclude executive agreements without action by the Senate. Similarly, the president may make congressional-executive agreements with the approval of a simple majority in each House of Congress, rather than a two-thirds majority in the Senate. Neither executive agreements nor congressional-executive agreements are mentioned in the Constitution, leading some scholars such as Laurence Tribe and John Yoo to suggest that they unconstitutionally circumvent the treaty-ratification process. However, courts have upheld the validity of such agreements.

The Constitution empowers the House of Representatives to impeach federal officials for "Treason, Bribery, or other high Crimes and Misdemeanors" and empowers the Senate to try such impeachments. If the sitting President of the United States is being tried, the Chief Justice of the United States presides over the trial. During an impeachment trial, senators are constitutionally required to sit on oath or affirmation. Conviction requires a two-thirds majority of the senators present. A convicted official is automatically removed from office; in addition, the Senate may stipulate that the defendant be banned from holding office. No further punishment is permitted during the impeachment proceedings; however, the party may face criminal penalties in a normal court of law.

In the history of the United States, the House of Representatives has impeached sixteen officials, of whom seven were convicted. (One resigned before the Senate could complete the trial.) Only two presidents of the United States have ever been impeached: Andrew Johnson in 1868 and Bill Clinton in 1998. Both trials ended in acquittal; in Johnson's case, the Senate fell one vote short of the two-thirds majority required for conviction.

Under the Twelfth Amendment, the Senate has the power to elect the vice president if no vice presidential candidate receives a majority of votes in the Electoral College. The Twelfth Amendment requires the Senate to choose from the two candidates with the highest numbers of electoral votes. Electoral College deadlocks are rare. In the history of the United States, the Senate has only broken a deadlock once. In 1837, it elected Richard Mentor Johnson. The House elects the president if the Electoral College deadlocks on that choice.

Current composition and election results

Current party standings

The party composition of the Senate after January 3, 2011: {| class=wikitable |- ! colspan=2| Affiliation ! Members ! Note | Democratic Party | style="text-align:center"| 51 | | Republican Party | style="text-align:center"| 47 | | Independent | style="text-align:center"| 2 | style="font-size:80%"| Both caucus with the Democrats |- ! colspan=2| Total ! 100 ! |}

See also

Edward M. Kennedy Institute for the United States Senate

List of current United States Senators by age

List of current United States Senators

United States presidents and control of congress

Women in the United States Senate

References

Bibliography

Official Senate histories

The following are published by the Senate Historical Office.

''Biographical Directory of the United States Congress, 1774–1989''

Robert Byrd. ''The Senate, 1789–1989''. Four volumes.

* Vol. I, a chronological series of addresses on the history of the Senate

* Vol. II, a topical series of addresses on various aspects of the Senate's operation and powers

* Vol. III, Classic Speeches, 1830–1993

* Vol. IV, Historical Statistics, 1789–1992

Dole, Bob. ''Historical Almanac of the United States Senate''

Hatfield, Mark O., with the Senate Historical Office. ''Vice Presidents of the United States, 1789–1993'' (essays reprinted online)

Frumin, Alan S. ''Riddick's Senate Procedure''. Washington, D.C.: Government Printing Office, 1992.

Miscellaneous

Baker, Richard A. ''The Senate of the United States: A Bicentennial History'' Krieger, 1988.

Baker, Richard A., ed., ''First Among Equals: Outstanding Senate Leaders of the Twentieth Century'' Congressional Quarterly, 1991.

Barone, Michael, and Grant Ujifusa, ''The Almanac of American Politics 1976: The Senators, the Representatives and the Governors: Their Records and Election Results, Their States and Districts'' (1975); new edition every 2 years

David W. Brady and Mathew D. McCubbins. ''Party, Process, and Political Change in Congress: New Perspectives on the History of Congress'' (2002)

Caro, Robert A. ''The Years of Lyndon Johnson. Vol. 3: Master of the Senate.'' Knopf, 2002.

Comiskey, Michael. ''Seeking Justices: The Judging of Supreme Court Nominees'' U. Press of Kansas, 2004.

Congressional Quarterly '' Congress and the Nation: 2001–2004: A Review of Government and Politics: 107th and 108th Congresses '' (2005); massive, highly detailed summary of Congressional activity, as well as major executive and judicial decisions; based on ''Congressional Quarterly Weekly Report'' and the annual CQ almanac.

* Congressional Quarterly, ''Congress and the Nation: 1997–2001 '' (2002)

* Congressional Quarterly. ''Congress and the Nation: 1993–1996 '' (1998)

* Congressional Quarterly, ''Congress and the Nation: 1989–1992 '' (1993)

* Congressional Quarterly, ''Congress and the Nation: 1985–1988 '' (1989)

* Congressional Quarterly, ''Congress and the Nation: 1981–1984 '' (1985)

* Congressional Quarterly, ''Congress and the Nation: 1977–1980 '' (1981)

* Congressional Quarterly, ''Congress and the Nation: 1973–1976 '' (1977)

* Congressional Quarterly, ''Congress and the Nation: 1969–1972 '' (1973)

* Congressional Quarterly, ''Congress and the Nation: 1965–1968 '' (1969)

* Congressional Quarterly, ''Congress and the Nation: 1945–1964 '' (1965), the first of the series

Cooper, John Milton, Jr. ''Breaking the Heart of the World: Woodrow Wilson and the Fight for the League of Nations. '' Cambridge U. Press, 2001.

Davidson, Roger H., and Walter J. Oleszek, eds. (1998). ''Congress and Its Members'', 6th ed. Washington DC: ''Congressional Quarterly.'' (Legislative procedure, informal practices, and member information)

Gould, Lewis L. ''The Most Exclusive Club: A History Of The Modern United States Senate'' (2005)

Hernon, Joseph Martin. ''Profiles in Character: Hubris and Heroism in the U.S. Senate, 1789–1990'' Sharpe, 1997.

Hoebeke, C. H. ''The Road to Mass Democracy: Original Intent and the Seventeenth Amendment.'' Transaction Books, 1995. (Popular elections of senators)

Lee, Frances E. and Oppenheimer, Bruce I. ''Sizing Up the Senate: The Unequal Consequences of Equal Representation.'' U. of Chicago Press 1999. 304 pp.

McFarland, Ernest W. ''The Ernest W. McFarland Papers: The United States Senate Years, 1940–1952.'' Prescott, Ariz.: Sharlot Hall Museum, 1995 (Democratic majority leader 1950–52)

Malsberger, John W. ''From Obstruction to Moderation: The Transformation of Senate Conservatism, 1938–1952.'' Susquehanna U. Press 2000

Mann, Robert. ''The Walls of Jericho: Lyndon Johnson, Hubert Humphrey, Richard Russell and the Struggle for Civil Rights.'' Harcourt Brace, 1996

Ritchie, Donald A. ''Press Gallery: Congress and the Washington Correspondents''. Harvard University Press, 1991.

Ritchie, Donald A. ''The Congress of the United States: A Student Companion'' Oxford University Press, 2001 (2nd edition).

Ritchie, Donald A. ''The U.S. Congress: A Very Short Introduction'' Oxford University Press, 2010.

Rothman, David. ''Politics and Power the United States Senate 1869–1901'' (1966)

Swift, Elaine K. ''The Making of an American Senate: Reconstitutive Change in Congress, 1787–1841''. U. of Michigan Press, 1996

Valeo, Frank. ''Mike Mansfield, Majority Leader: A Different Kind of Senate, 1961–1976'' Sharpe, 1999 (Senate Democratic leader)

VanBeek, Stephen D. ''Post-Passage Politics: Bicameral Resolution in Congress.'' U. of Pittsburgh Press 1995

Weller, Cecil Edward, Jr. ''Joe T. Robinson: Always a Loyal Democrat.'' U. of Arkansas Press, 1998. (Arkansas Democrat who was Majority leader in 1930s)

Wilson, Woodrow. ''Congressional Government.'' New York: Houghton Mifflin, 1885; also 15th ed. 1900, repr. by photoreprint, Transaction books, 2002.

Wirls, Daniel and Wirls, Stephen. ''The Invention of the United States Senate'' Johns Hopkins U. Press, 2004. (Early history)

Zelizer, Julian E. ''On Capitol Hill : The Struggle to Reform Congress and its Consequences, 1948–2000'' (2006)

Zelizer, Julian E., ed. ''The American Congress: The Building of Democracy'' (2004) (overview)

External links

The United States Senate Official Website

* Sortable contact data

* Senate Chamber Map

[ Standing Rules of the Senate]

* ''Biographical Directory of the United States Congress, 1774 to Present''

list of Senators who died in office, via PoliticalGraveyard.com

Chart of all U.S. Senate seat-holders, by state, 1978–present, via Texas Tech University

A New Nation Votes: American Election Returns 1787–1825, via Tufts University

Bill Hammons' American Politics Guide - Members of Congress by Committee and State with Partisan Voting Index

Category:National upper houses Category:United States Senate Category:Article Feedback Pilot

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Name	Barack Obama
Alt	A portrait shot of Barack Obama, looking straight ahead. He has short black hair, and is wearing a dark navy blazer with a blue striped tie over a light blue collared shirt. In the background are two flags hanging from separate flagpoles: the American flag, and the flag of the Executive Office of the President.
Office	44th President of the United States
Vicepresident	Joe Biden
Term start	January 20, 2009
Predecessor	George W. Bush
Jr/sr2	United States Senate
State2	Illinois
Term start2	January 3, 2005
Term end2	November 16, 2008
Predecessor2	Peter Fitzgerald
Successor2	Roland Burris
Office3	Member of the Illinois Senate from the 13th District
Term start3	January 8, 1997
Term end3	November 4, 2004
Predecessor3	Alice Palmer
Successor3	Kwame Raoul
Birth name	Barack Hussein Obama II
Birth date	August 04, 1961
Birth place	Honolulu, Hawaii, U.S.
Party	Democratic
Spouse	Michelle Robinson (1992–present)
Children	Malia (born 1998) Sasha (born 2001)
Residence	White House (Official)Chicago, Illinois (Private)
Alma mater	Occidental CollegeColumbia University (B.A.)Harvard Law School (J.D.)
Profession	Community organizerLawyerConstitutional law professorAuthor
Religion	Christianity
Signature	Barack Obama signature.svg
Signature alt	Barack Obama
Website	barackobama.com
Footnotes	}}

Barack Hussein Obama II (; born August 4, 1961) is the 44th and current President of the United States. He is the first African American to hold the office. Obama previously served as a United States Senator from Illinois, from January 2005 until he resigned following his victory in the 2008 presidential election.

Born in Honolulu, Hawaii, Obama is a graduate of Columbia University and Harvard Law School, where he was the president of the ''Harvard Law Review''. He was a community organizer in Chicago before earning his law degree. He worked as a civil rights attorney in Chicago and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004.

Following an unsuccessful bid against the Democratic incumbent for a seat in the United States House of Representatives in 2000, Obama ran for the United States Senate in 2004. Several events brought him to national attention during the campaign, including his victory in the March 2004 Illinois Democratic primary for the Senate election and his keynote address at the Democratic National Convention in July 2004. He won election to the U.S. Senate in Illinois in November 2004. His presidential campaign began in February 2007, and after a close campaign in the 2008 Democratic Party presidential primaries against Hillary Rodham Clinton, he won his party's nomination. In the 2008 presidential election, he defeated Republican nominee John McCain, and was inaugurated as president on January 20, 2009. In October 2009, Obama was named the 2009 Nobel Peace Prize laureate.

As president, Obama signed economic stimulus legislation in the form of the American Recovery and Reinvestment Act of 2009 and the Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010. Other domestic policy initiatives include the Patient Protection and Affordable Care Act, the Dodd–Frank Wall Street Reform and Consumer Protection Act, the Don't Ask, Don't Tell Repeal Act of 2010 and the Budget Control Act of 2011. In foreign policy, he ended the war in Iraq, increased troop levels in Afghanistan, signed the New START arms control treaty with Russia, ordered US involvement in the 2011 Libya military intervention, and ordered the military operation that resulted in the death of Osama bin Laden. In April 2011, Obama declared his intention to seek re-election in the 2012 presidential election.

Early life and career

Obama was born on August 4, 1961, at Kapiolani Maternity & Gynecological Hospital (now Kapiolani Medical Center for Women and Children) in Honolulu, Hawaii, and is the first President to have been born in Hawaii. His mother, Stanley Ann Dunham, was born in Wichita, Kansas, and was of mostly English ancestry, along with Scottish, Irish, German, and Swiss. His father, Barack Obama, Sr., was a Luo from Nyang’oma Kogelo, Nyanza Province, Kenya. Obama's parents met in 1960 in a Russian class at the University of Hawaiʻi at Mānoa, where his father was a foreign student on scholarship. The couple married on February 2, 1961, separated when Obama Sr. went to Harvard University on scholarship, and divorced in 1964. Obama Sr. remarried and returned to Kenya, visiting Barack in Hawaii only once, in 1971. He died in an automobile accident in 1982.

After her divorce, Dunham married Indonesian Lolo Soetoro, who was attending college in Hawaii. When Suharto, a military leader in Soetoro's home country, came to power in 1967, all Indonesian students studying abroad were recalled, and the family moved to the Menteng neighborhood of Jakarta. From ages six to ten, Obama attended local schools in Jakarta, including Besuki Public School and St. Francis of Assisi School.

In 1971, Obama returned to Honolulu to live with his maternal grandparents, Madelyn and Stanley Armour Dunham, and with the aid of a scholarship attended Punahou School, a private college preparatory school, from fifth grade until his graduation from high school in 1979. Obama's mother returned to Hawaii in 1972, remaining there until 1977 when she went back to Indonesia to work as an anthropological field worker. She finally returned to Hawaii in 1994 and lived there for one year before dying of ovarian cancer.

Of his early childhood, Obama recalled, "That my father looked nothing like the people around me—that he was black as pitch, my mother white as milk—barely registered in my mind." Reflecting later on his years in Honolulu, Obama wrote: "The opportunity that Hawaii offered—to experience a variety of cultures in a climate of mutual respect—became an integral part of my world view, and a basis for the values that I hold most dear." Obama has also written and talked about using alcohol, marijuana and cocaine during his teenage years to "push questions of who I was out of my mind." At the 2008 Civil Forum on the Presidency, Obama identified his high-school drug use as a great moral failure.

Following high school, Obama moved to Los Angeles in 1979 to attend Occidental College. In February 1981, he made his first public speech, calling for Occidental's disinvestment from South Africa due to its policy of apartheid. In mid-1981, Obama traveled to Indonesia to visit his mother and sister Maya, and visited the families of college friends in Pakistan and India for three weeks. Later in 1981, he transferred to Columbia University in New York City, where he majored in political science with a specialty in international relations and graduated with a Bachelor of Arts in 1983. He worked for a year at the Business International Corporation, then at the New York Public Interest Research Group.

Chicago community organizer and Harvard Law School

Two years after graduating, Obama was hired in Chicago as director of the Developing Communities Project (DCP), a church-based community organization originally comprising eight Catholic parishes in Roseland, West Pullman and Riverdale on Chicago's South Side. He worked there as a community organizer from June 1985 to May 1988. He helped set up a job training program, a college preparatory tutoring program, and a tenants' rights organization in Altgeld Gardens. Obama also worked as a consultant and instructor for the Gamaliel Foundation, a community organizing institute. In mid-1988, he traveled for the first time in Europe for three weeks and then for five weeks in Kenya, where he met many of his paternal relatives for the first time. He returned in August 2006 for a visit to his father's birthplace, a village near Kisumu in rural western Kenya.

In late 1988, Obama entered Harvard Law School. He was selected as an editor of the ''Harvard Law Review'' at the end of his first year, and president of the journal in his second year. During his summers, he returned to Chicago, where he worked as an associate at the law firms of Sidley Austin in 1989 and Hopkins & Sutter in 1990. After graduating with a J.D. ''magna cum laude'' from Harvard in 1991, he returned to Chicago. Obama's election as the first black president of the ''Harvard Law Review'' gained national media attention and led to a publishing contract and advance for a book about race relations, which evolved into a personal memoir. The manuscript was published in mid-1995 as ''Dreams from My Father''.

University of Chicago Law School and civil rights attorney

In 1991, Obama accepted a two-year position as Visiting Law and Government Fellow at the University of Chicago Law School to work on his first book. He then taught at the University of Chicago Law School for twelve years—as a Lecturer from 1992 to 1996, and as a Senior Lecturer from 1996 to 2004—teaching constitutional law.

From April to October 1992, Obama directed Illinois's Project Vote, a voter registration drive with ten staffers and seven hundred volunteer registrars; it achieved its goal of registering 150,000 of 400,000 unregistered African Americans in the state, and led to ''Crain's Chicago Business'' naming Obama to its 1993 list of "40 under Forty" powers to be. In 1993 he joined Davis, Miner, Barnhill & Galland, a 13-attorney law firm specializing in civil rights litigation and neighborhood economic development, where he was an associate for three years from 1993 to 1996, then of counsel from 1996 to 2004, with his law license becoming inactive in 2002.

From 1994 to 2002, Obama served on the boards of directors of the Woods Fund of Chicago, which in 1985 had been the first foundation to fund the Developing Communities Project; and of the Joyce Foundation. Once elected, Obama gained bipartisan support for legislation reforming ethics and health care laws. He sponsored a law increasing tax credits for low-income workers, negotiated welfare reform, and promoted increased subsidies for childcare. In 2001, as co-chairman of the bipartisan Joint Committee on Administrative Rules, Obama supported Republican Governor Ryan's payday loan regulations and predatory mortgage lending regulations aimed at averting home foreclosures.

Obama was reelected to the Illinois Senate in 1998, defeating Republican Yesse Yehudah in the general election, and was reelected again in 2002. In 2000, he lost a Democratic primary run for the U.S. House of Representatives to four-term incumbent Bobby Rush by a margin of two to one.

In January 2003, Obama became chairman of the Illinois Senate's Health and Human Services Committee when Democrats, after a decade in the minority, regained a majority. He sponsored and led unanimous, bipartisan passage of legislation to monitor racial profiling by requiring police to record the race of drivers they detained, and legislation making Illinois the first state to mandate videotaping of homicide interrogations. During his 2004 general election campaign for U.S. Senate, police representatives credited Obama for his active engagement with police organizations in enacting death penalty reforms. Obama resigned from the Illinois Senate in November 2004 following his election to the U.S. Senate.

U.S. Senate campaign

In May 2002, Obama commissioned a poll to assess his prospects in a 2004 U.S. Senate race; he created a campaign committee, began raising funds and lined up political media consultant David Axelrod by August 2002, and formally announced his candidacy in January 2003.

Obama was an early opponent of the George W. Bush administration's 2003 invasion of Iraq. On October 2, 2002, the day President Bush and Congress agreed on the joint resolution authorizing the Iraq War, Obama addressed the first high-profile Chicago anti-Iraq War rally, and spoke out against the war. He addressed another anti-war rally in March 2003 and told the crowd that "it's not too late" to stop the war.

Decisions by Republican incumbent Peter Fitzgerald and his Democratic predecessor Carol Moseley Braun to not participate in the election resulted in wide-open Democratic and Republican primary contests involving fifteen candidates. In the March 2004 primary election, Obama won in an unexpected landslide—which overnight made him a rising star within the national Democratic Party, started speculation about a presidential future, and led to the reissue of his memoir, ''Dreams from My Father''. In July 2004, Obama delivered the keynote address at the 2004 Democratic National Convention, seen by 9.1 million viewers. His speech was well received and elevated his status within the Democratic Party.

Obama's expected opponent in the general election, Republican primary winner Jack Ryan, withdrew from the race in June 2004. Six weeks later, Alan Keyes accepted the Republican nomination to replace Ryan. In the November 2004 general election, Obama won with 70 percent of the vote.

U.S. Senator: 2005–2008

Obama was sworn in as a senator on January 3, 2005, becoming the only Senate member of the Congressional Black Caucus. ''CQ Weekly'' characterized him as a "loyal Democrat" based on analysis of all Senate votes in 2005–2007. Obama announced on November 13, 2008, that he would resign his Senate seat on November 16, 2008, before the start of the lame-duck session, to focus on his transition period for the presidency.

Legislation

Obama cosponsored the Secure America and Orderly Immigration Act. He introduced two initiatives bearing his name: Lugar–Obama, which expanded the Nunn–Lugar cooperative threat reduction concept to conventional weapons; and the Federal Funding Accountability and Transparency Act of 2006, which authorized the establishment of USAspending.gov, a web search engine on federal spending. On June 3, 2008, Senator Obama—along with Senators Tom Carper, Tom Coburn, and John McCain—introduced follow-up legislation: Strengthening Transparency and Accountability in Federal Spending Act of 2008.

Obama sponsored legislation that would have required nuclear plant owners to notify state and local authorities of radioactive leaks, but the bill failed to pass in the full Senate after being heavily modified in committee. Regarding tort reform, Obama voted for the Class Action Fairness Act of 2005 and the FISA Amendments Act of 2008, which grants immunity from civil liability to telecommunications companies complicit with NSA warrantless wiretapping operations.

In December 2006, President Bush signed into law the Democratic Republic of the Congo Relief, Security, and Democracy Promotion Act, marking the first federal legislation to be enacted with Obama as its primary sponsor. In January 2007, Obama and Senator Feingold introduced a corporate jet provision to the Honest Leadership and Open Government Act, which was signed into law in September 2007. Obama also introduced Deceptive Practices and Voter Intimidation Prevention Act, a bill to criminalize deceptive practices in federal elections, and the Iraq War De-Escalation Act of 2007, neither of which has been signed into law.

Later in 2007, Obama sponsored an amendment to the Defense Authorization Act adding safeguards for personality-disorder military discharges. This amendment passed the full Senate in the spring of 2008. He sponsored the Iran Sanctions Enabling Act supporting divestment of state pension funds from Iran's oil and gas industry, which has not passed committee; and co-sponsored legislation to reduce risks of nuclear terrorism. Obama also sponsored a Senate amendment to the State Children's Health Insurance Program, providing one year of job protection for family members caring for soldiers with combat-related injuries.

Committees

Obama held assignments on the Senate Committees for Foreign Relations, Environment and Public Works and Veterans' Affairs through December 2006. In January 2007, he left the Environment and Public Works committee and took additional assignments with Health, Education, Labor and Pensions and Homeland Security and Governmental Affairs. He also became Chairman of the Senate's subcommittee on European Affairs. As a member of the Senate Foreign Relations Committee, Obama made official trips to Eastern Europe, the Middle East, Central Asia and Africa. He met with Mahmoud Abbas before Abbas became President of the Palestinian National Authority, and gave a speech at the University of Nairobi condemning corruption within the Kenyan government.

Presidential campaigns

2008 presidential campaign

On February 10, 2007, Obama announced his candidacy for President of the United States in front of the Old State Capitol building in Springfield, Illinois. The choice of the announcement site was viewed as symbolic because it was also where Abraham Lincoln delivered his historic "House Divided" speech in 1858. Obama emphasized the issues of rapidly ending the Iraq War, increasing energy independence, and providing universal health care, in a campaign that projected themes of "hope" and "change".

A large number of candidates entered the Democratic Party presidential primaries. The field narrowed to a duel between Obama and Senator Hillary Rodham Clinton after early contests, with the race remaining close throughout the primary process but with Obama gaining a steady lead in pledged delegates due to better long-range planning, superior fundraising, dominant organizing in caucus states, and better exploitation of delegate allocation rules. On June 7, 2008, Clinton ended her campaign and endorsed Obama.

On August 23, Obama announced his selection of Delaware Senator Joe Biden as his vice presidential running mate. Biden was selected from a field speculated to include former Indiana Governor and Senator Evan Bayh and Virginia Governor Tim Kaine. At the Democratic National Convention in Denver, Colorado, Hillary Clinton called for her supporters to endorse Obama, and she and Bill Clinton gave convention speeches in his support. Obama delivered his acceptance speech, not at the center where the Democratic National Convention was held, but at Invesco Field at Mile High to a crowd of over 75,000; the speech was viewed by over 38 million people worldwide.

During both the primary process and the general election, Obama's campaign set numerous fundraising records, particularly in the quantity of small donations. On June 19, 2008, Obama became the first major-party presidential candidate to turn down public financing in the general election since the system was created in 1976.

McCain was nominated as the Republican candidate and the two engaged in three presidential debates in September and October 2008. On November 4, Obama won the presidency with 365 electoral votes to 173 received by McCain. Obama won 52.9 percent of the popular vote to McCain's 45.7 percent. He became the first African American to be elected president. Obama delivered his victory speech before hundreds of thousands of supporters in Chicago's Grant Park.

2012 presidential campaign

On April 4, 2011, Obama announced his re-election campaign for 2012 in a video titled "It Begins with Us" that he posted on his website and filed election papers with the Federal Election Commission.

Presidency

First days

The inauguration of Barack Obama as the 44th President, and Joe Biden as Vice President, took place on January 20, 2009. In his first few days in office Obama issued executive orders and presidential memoranda directing the U.S. military to develop plans to withdraw troops from Iraq. He ordered the closing of the Guantanamo Bay detention camp "as soon as practicable and no later than" January 2010, but during his first two years in office he has been unable to persuade Congress to appropriate funds required to accomplish the shutdown. Obama reduced the secrecy given to presidential records and changed procedures to promote disclosure under the Freedom of Information Act. He also reversed George W. Bush's ban on federal funding to foreign establishments that allow abortions.

Domestic policy

The first bill signed into law by Obama was the Lilly Ledbetter Fair Pay Act of 2009, relaxing the statute of limitations for equal-pay lawsuits. Five days later, he signed the reauthorization of the State Children's Health Insurance Program (SCHIP) to cover an additional 4 million uninsured children. In March 2009, Obama reversed a Bush-era policy which had limited funding of embryonic stem cell research. Obama stated that he believed "sound science and moral values ... are not inconsistent" and pledged to develop "strict guidelines" on the research.

Obama appointed two women to serve on the Supreme Court in the first two years of his Presidency. Sonia Sotomayor, nominated by Obama on May 26, 2009, to replace retiring Associate Justice David Souter, was confirmed on August 6, 2009, becoming the first Hispanic to be a Supreme Court Justice. Elena Kagan, nominated by Obama on May 10, 2010, to replace retiring Associate Justice John Paul Stevens, was confirmed on August 5, 2010, bringing the number of women sitting simultaneously on the Court to three, for the first time in American history.

On September 30, 2009, the Obama administration proposed new regulations on power plants, factories and oil refineries in an attempt to limit greenhouse gas emissions and to curb global warming.

On October 8, 2009, Obama signed the Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act, a measure that expands the 1969 United States federal hate-crime law to include crimes motivated by a victim's actual or perceived gender, sexual orientation, gender identity, or disability.

On March 30, 2010, Obama signed the Health Care and Education Reconciliation Act, a reconciliation bill which ends the process of the federal government giving subsidies to private banks to give out federally insured loans, increases the Pell Grant scholarship award, and makes changes to the Patient Protection and Affordable Care Act.

In a major space policy speech in April 2010, Obama announced a planned change in direction at NASA, the U.S. space agency. He ended plans for a return of human spaceflight to the moon and ended development of the Ares I rocket, Ares V rocket and Constellation program. He is focusing funding (which is expected to rise modestly) on Earth science projects and a new rocket type, as well as research and development for an eventual manned mission to Mars. Missions to the International Space Station are expected to continue until 2020.

On December 22, 2010, Obama signed the Don't Ask, Don't Tell Repeal Act of 2010, a bill that provides for repeal of the Don't ask, don't tell policy of 1993 that has prevented gay and lesbian people from serving openly in the United States Armed Forces. Repealing "Don't ask, don't tell" had been a key campaign promise that Obama had made during the 2008 presidential campaign.

On January 25, 2011, in his 2011 State of the Union Address, President Obama focused strongly on the themes of education and innovation, stressing the importance of innovation economics in working to make the United States more competitive globally. Among other plans and goals, Obama spoke of enacting a five-year freeze in domestic spending, eliminating tax breaks for oil companies and tax cuts for the wealthiest two percent of Americans, banning congressional earmarks, and reducing healthcare costs. Looking to the future, Obama promised that by 2015, the United States would have one million electric vehicles on the road and by 2035, clean-energy sources would be providing 80 percent of U.S. electricity.

Economic policy

thumb|right|President Barack Obama signing the [[American Recovery and Reinvestment Act of 2009|American Recovery and Reinvestment Act into law on February 17, 2009, in Denver, Colorado, with Vice President Joe Biden standing behind him]]On February 17, 2009, Obama signed the American Recovery and Reinvestment Act of 2009, a $787 billion economic stimulus package aimed at helping the economy recover from the deepening worldwide recession. The act includes increased federal spending for health care, infrastructure, education, various tax breaks and incentives, and direct assistance to individuals, which is being distributed over the course of several years.

In March, Obama's Treasury Secretary, Timothy Geithner, took further steps to manage the financial crisis, including introducing the Public-Private Investment Program for Legacy Assets, which contains provisions for buying up to $2 trillion in depreciated real estate assets. Obama intervened in the troubled automotive industry in March 2009, renewing loans for General Motors and Chrysler to continue operations while reorganizing. Over the following months the White House set terms for both firms' bankruptcies, including the sale of Chrysler to Italian automaker Fiat and a reorganization of GM giving the U.S. government a temporary 60 percent equity stake in the company, with the Canadian government shouldering a 12 percent stake. In June 2009, dissatisfied with the pace of economic stimulus, Obama called on his cabinet to accelerate the investment. He signed into law the Car Allowance Rebate System, known colloquially as "Cash for Clunkers", that temporarily boosted the economy.

Although spending and loan guarantees from the Federal Reserve and the Treasury Department authorized by the Bush and Obama administrations totaled about $11.5 trillion, only $3 trillion had been spent by the end of November 2009. However, Obama and the Congressional Budget Office predicted that the 2010 budget deficit will be $1.5 trillion or 10.6 percent of the nation's gross domestic product (GDP) compared to the 2009 deficit of $1.4 trillion or 9.9 percent of GDP. For 2011, the administration predicted the deficit will slightly shrink to $1.34 trillion, while the 10-year deficit will increase to $8.53 trillion or 90 percent of GDP. The most recent increase in the U.S. debt ceiling to $14.3 trillion was signed into law on February 12, 2010. On August 2, 2011, after a lengthy congressional debate over whether to raise the nation's debt limit, Obama signed the bipartisan Budget Control Act of 2011. The legislation enforces limits on discretionary spending until 2021, establishes a procedure to increase the debt limit, creates a Congressional Joint Select Committee on Deficit Reduction to propose further deficit reduction with a stated goal of achieving at least $1.5 trillion in budgetary savings over 10 years, and establishes automatic procedures for reducing spending by as much as $1.2 trillion if legislation originating with the new joint select committee does not achieve such savings. By passing the legislation, Congress was able to prevent an unprecedented U.S. government default on its obligations.

The unemployment rate rose in 2009, reaching a peak in October at 10.1 percent and averaging 10.0 percent in the fourth quarter. Following a decrease to 9.7 percent in the first quarter of 2010, the unemployment rate fell to 9.6 percent in the second quarter, where it remained for the rest of the year. Between February and December 2010, employment rose by 0.8 percent, which was less than the average of 1.9 percent experienced during comparable periods in the past four employment recoveries. GDP growth returned in the third quarter of 2009, expanding at a rate of 1.6 percent, followed by a 5.0 percent increase in the fourth quarter. Growth continued in 2010, posting an increase of 3.7 percent in the first quarter, with lesser gains throughout the rest of the year. In July 2010, the Federal Reserve expressed that although economic activity continued to increase, its pace had slowed, and Chairman Ben Bernanke stated that the economic outlook was "unusually uncertain." Overall, the economy expanded at a rate of 2.9 percent in 2010.

The Congressional Budget Office and a broad range of economists credit Obama's stimulus plan for economic growth. The CBO released a report stating that the stimulus bill increased employment by 1–2.1 million, while conceding that "It is impossible to determine how many of the reported jobs would have existed in the absence of the stimulus package." Although an April 2010 survey of members of the National Association for Business Economics showed an increase in job creation (over a similar January survey) for the first time in two years, 73 percent of 68 respondents believed that the stimulus bill has had no impact on employment.

Within a month of the 2010 midterm elections, Obama announced a compromise deal with the Congressional Republican leadership that included a temporary, two-year extension of the 2001 and 2003 income tax rates, a one-year payroll tax reduction, continuation of unemployment benefits, and a new rate and exemption amount for estate taxes. The compromise overcame opposition from some in both parties, and the resulting $858 billion Tax Relief, Unemployment Insurance Reauthorization, and Job Creation Act of 2010 passed with bipartisan majorities in both houses of Congress before Obama signed it on December 17, 2010.

Health care reform

Obama called for Congress to pass legislation reforming health care in the United States, a key campaign promise and a top legislative goal. He proposed an expansion of health insurance coverage to cover the uninsured, to cap premium increases, and to allow people to retain their coverage when they leave or change jobs. His proposal was to spend $900 billion over 10 years and include a government insurance plan, also known as the public option, to compete with the corporate insurance sector as a main component to lowering costs and improving quality of health care. It would also make it illegal for insurers to drop sick people or deny them coverage for pre-existing conditions, and require every American carry health coverage. The plan also includes medical spending cuts and taxes on insurance companies that offer expensive plans.

On July 14, 2009, House Democratic leaders introduced a 1,017-page plan for overhauling the U.S. health care system, which Obama wanted Congress to approve by the end of 2009. After much public debate during the Congressional summer recess of 2009, Obama delivered a speech to a joint session of Congress on September 9 where he addressed concerns over the proposals. In March 2009, Obama lifted a ban on stem cell research.

On November 7, 2009, a health care bill featuring the public option was passed in the House. On December 24, 2009, the Senate passed its own bill—without a public option—on a party-line vote of 60–39. On March 21, 2010, the Patient Protection and Affordable Care Act passed by the Senate in December was passed in the House by a vote of 219 to 212. Obama signed the bill into law on March 23, 2010.

The Patient Protection and Affordable Care Act includes health-related provisions to take effect over four years, including expanding Medicaid eligibility for people making up to 133 percent of the federal poverty level (FPL) starting in 2014, subsidizing insurance premiums for people making up to 400 percent of the FPL ($88,000 for family of four in 2010) so their maximum "out-of-pocket" payment for annual premiums will be from 2 to 9.5 percent of income, providing incentives for businesses to provide health care benefits, prohibiting denial of coverage and denial of claims based on pre-existing conditions, establishing health insurance exchanges, prohibiting annual coverage caps, and support for medical research. According to White House and Congressional Budget Office figures, the maximum share of income that enrollees would have to pay would vary depending on their income relative to the federal poverty level.

The costs of these provisions are offset by taxes, fees, and cost-saving measures, such as new Medicare taxes for those in high-income brackets, taxes on indoor tanning, cuts to the Medicare Advantage program in favor of traditional Medicare, and fees on medical devices and pharmaceutical companies; there is also a tax penalty for those who do not obtain health insurance, unless they are exempt due to low income or other reasons. The Congressional Budget Office estimates that the net effect of both laws will be a reduction in the federal deficit by $143 billion over the first decade.

Gulf of Mexico oil spill

On April 20, 2010, an explosion destroyed an offshore drilling rig at the Macondo Prospect in the Gulf of Mexico, causing a major sustained oil leak. The well's operator, BP, initiated a containment and cleanup plan, and began drilling two relief wells intended to stop the flow. Obama visited the Gulf on May 2 among visits by members of his cabinet, and again on May 28 and June 4. On May 22 he announced a federal investigation and formed a bipartisan commission to recommend new safety standards, after a review by Secretary of the Interior Ken Salazar and concurrent Congressional hearings. On May 27, he announced a 6-month moratorium on new deepwater drilling permits and leases, pending regulatory review. As multiple efforts by BP failed, some in the media and public expressed confusion and criticism over various aspects of the incident, and stated a desire for more involvement by Obama and the federal government.

Foreign policy

In February and March, Vice President Joe Biden and Secretary of State Hillary Rodham Clinton made separate overseas trips to announce a "new era" in U.S. foreign relations with Russia and Europe, using the terms "break" and "reset" to signal major changes from the policies of the preceding administration. Obama attempted to reach out to Arab leaders by granting his first interview to an Arab cable TV network, Al Arabiya.

On March 19, Obama continued his outreach to the Muslim world, releasing a New Year's video message to the people and government of Iran. This attempt at outreach was rebuffed by the Iranian leadership. In April, Obama gave a speech in Ankara, Turkey, which was well received by many Arab governments. On June 4, 2009, Obama delivered a speech at Cairo University in Egypt calling for "a new beginning" in relations between the Islamic world and the United States and promoting Middle East peace.

On June 26, 2009, in response to the Iranian government's actions towards protesters following Iran's 2009 presidential election, Obama said: "The violence perpetrated against them is outrageous. We see it and we condemn it." On July 7, while in Moscow, he responded to a Vice President Biden comment on a possible Israeli military strike on Iran by saying: "We have said directly to the Israelis that it is important to try and resolve this in an international setting in a way that does not create major conflict in the Middle East."

On September 24, 2009, Obama became the first sitting U.S. president to preside over a meeting of the United Nations Security Council.

In March 2010, Obama took a public stance against plans by the government of Israeli Prime Minister Benjamin Netanyahu to continue building Jewish housing projects in predominantly Arab neighborhoods of East Jerusalem. During the same month, an agreement was reached with the administration of Russian President Dmitry Medvedev to replace the 1991 Strategic Arms Reduction Treaty with a new pact reducing the number of long-range nuclear weapons in the arsenals of both countries by about one-third. The New START treaty was signed by Obama and Medvedev in April 2010, and was ratified by the U.S. Senate in December 2010.

Iraq War

On February 27, 2009, Obama declared that combat operations in Iraq would end within 18 months. His remarks were made to a group of Marines preparing for deployment to Afghanistan. Obama said, "Let me say this as plainly as I can: By August 31, 2010, our combat mission in Iraq will end." The Obama administration scheduled the withdrawal of combat troops to be completed by August 2010, decreasing troops levels from 142,000 while leaving a transitional force of 35,000 to 50,000 in Iraq until the end of 2011. On August 19, 2010, the last United States combat brigade exited Iraq. The plan is to transition the mission of the remaining troops from combat operations to counter-terrorism and the training, equipping, and advising of Iraqi security forces. On August 31, 2010, Obama announced that the United States combat mission in Iraq was over. On October 21, 2011 President Obama announced that all U.S. troops would leave Iraq in time to be, "home for the holidays".

War in Afghanistan

Early in his presidency, Obama moved to bolster U.S. troop strength in Afghanistan. He announced an increase to U.S. troop levels of 17,000 in February 2009 to "stabilize a deteriorating situation in Afghanistan", an area he said had not received the "strategic attention, direction and resources it urgently requires". He replaced the military commander in Afghanistan, General David D. McKiernan, with former Special Forces commander Lt. Gen. Stanley A. McChrystal in May 2009, indicating that McChrystal's Special Forces experience would facilitate the use of counterinsurgency tactics in the war. On December 1, 2009, Obama announced the deployment of an additional 30,000 military personnel to Afghanistan. He also proposed to begin troop withdrawals 18 months from that date. McChrystal was replaced by David Petraeus in June 2010, after McChrystal's staff criticized White House personnel in a magazine article.

Israel

During the initial years of the Obama administration, the U.S. increased military cooperation with Israel, including a record number of U.S. troops participating in military exercises in the country, increased military aid, and the re-establishment of the U.S.-Israeli Joint Political Military Group and the Defense Policy Advisory Group. It was reported high-ranking defense officials from both countries had been making an unusual number of trips between the two countries, including Ehud Barak. Part of the military aid increase in 2010 was to fund Israel's missile defense shield. Before his retirement in September 2011, Adm. Mike Mullen, former Chairman of the Joint Chiefs of Staff, made four trips to Israel during his four-year tenure, two of them in 2010. Prior to 2007 no Chairman of the Joint Chiefs had done so for over ten years.

In 2011, Obama's Ambassador to the United Nations vetoed a resolution condemning Israeli settlements, with the U.S. the only nation on the Security Council doing so. Obama supports the two-state solution to the Arab-Israeli conflict based on the 1967 borders with land swaps.

Libya

In March 2011, as forces loyal to Muammar Gaddafi advanced on rebels across Libya, calls for a no-fly zone came from around the world, including Europe, the Arab League, and a resolution passed unanimously by the U.S. Senate. In response to the unanimous passage of United Nations Security Council Resolution 1973 on March 17, Gaddafi who had previously vowed to "show no mercy" to the citizens of Benghazi—announced an immediate cessation of military activities, yet reports came in that his forces continued shelling Misrata. The next day, on Obama's orders, the U.S. military took a lead role in air strikes to destroy the Libyan government's air defense capabilities in order to protect civilians and enforce a no-fly-zone, including the use of Tomahawk missiles, B-2 Spirits, and fighter jets. Six days later, on March 25, by unanimous vote of all of its 28 members, NATO took over leadership of the effort, dubbed Operation Unified Protector. Some Representatives questioned whether Obama had the constitutional authority to order military action in addition to questioning its cost, structure and aftermath.

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Osama bin Laden

Starting with information received in July 2010, intelligence developed by the CIA over the next several months determined what they believed to be the location of Osama bin Laden in a large compound in Abbottabad, Pakistan, a suburban area 35 miles from Islamabad. CIA head Leon Panetta reported this intelligence to President Obama in March 2011. Meeting with his national security advisers over the course of the next six weeks, Obama rejected a plan to bomb the compound, and authorized a "surgical raid" to be conducted by United States Navy SEALs. The operation took place on May 1, 2011, resulting in the death of bin Laden and the seizure of papers and computer drives and disks from the compound. Bin Laden's body was identified through DNA testing, and buried at sea several hours later. Within minutes of the President's announcement from Washington, DC, late in the evening on May 1, there were spontaneous celebrations around the country as crowds gathered outside the White House, and at New York City's Ground Zero and Times Square. Reaction to the announcement was positive across party lines, including from former Presidents Bill Clinton and George W. Bush, and from many countries around the world.

2010 midterm election

Obama called the November 2, 2010 election, where the Democratic Party lost 63 seats in, and control of, the House of Representatives, "humbling" and a "shellacking". He said that the results came because not enough Americans had felt the effects of the economic recovery.

Cultural and political image

Obama's family history, upbringing, and Ivy League education differ markedly from those of African American politicians who launched their careers in the 1960s through participation in the civil rights movement. Obama is also not a descendant of American slaves. Expressing puzzlement over questions about whether he is "black enough", Obama told an August 2007 meeting of the National Association of Black Journalists that "we're still locked in this notion that if you appeal to white folks then there must be something wrong". Obama acknowledged his youthful image in an October 2007 campaign speech, saying: "I wouldn't be here if, time and again, the torch had not been passed to a new generation."

Obama is frequently referred to as an exceptional orator. During his pre-inauguration transition period and continuing into his presidency, Obama has delivered a series of weekly Internet video addresses.

According to the Gallup Organization, Obama began his presidency with a 68 percent approval rating before gradually declining for the rest of the year, and eventually bottoming out at 41 percent in August 2010, a trend similar to Ronald Reagan's and Bill Clinton's first years in office. He experienced a small poll bounce shortly after the death of Osama bin Laden, which lasted until around June 2011, when his approval numbers dropped back to where they were prior to the operation. Polls show strong support for Obama in other countries, and before being elected President he has met with prominent foreign figures including then-British Prime Minister Tony Blair, Italy's Democratic Party leader and then Mayor of Rome Walter Veltroni, and French President Nicolas Sarkozy.

In a February 2009 poll conducted by Harris Interactive for France 24 and the ''International Herald Tribune'', Obama was rated as the most respected world leader, as well as the most powerful. In a similar poll conducted by Harris in May 2009, Obama was rated as the most popular world leader, as well as the one figure most people would pin their hopes on for pulling the world out of the economic downturn.

Obama won Best Spoken Word Album Grammy Awards for abridged audiobook versions of ''Dreams from My Father'' in February 2006 and for ''The Audacity of Hope'' in February 2008. His concession speech after the New Hampshire primary was set to music by independent artists as the music video "Yes We Can", which was viewed 10 million times on YouTube in its first month and received a Daytime Emmy Award. In December 2008, ''Time'' magazine named Obama as its Person of the Year for his historic candidacy and election, which it described as "the steady march of seemingly impossible accomplishments".

On October 9, 2009, the Norwegian Nobel Committee announced that Obama had won the 2009 Nobel Peace Prize "for his extraordinary efforts to strengthen international diplomacy and cooperation between peoples". Obama accepted this award in Oslo, Norway on December 10, 2009, with "deep gratitude and great humility." The award drew a mixture of praise and criticism from world leaders and media figures. Obama is the fourth U.S. president to be awarded the Nobel Peace Prize and the third to become a Nobel laureate while in office.

Family and personal life

In a 2006 interview, Obama highlighted the diversity of his extended family: "It's like a little mini-United Nations", he said. "I've got relatives who look like Bernie Mac, and I've got relatives who look like Margaret Thatcher." Obama has a half-sister with whom he was raised, Maya Soetoro-Ng, the daughter of his mother and her Indonesian second husband and seven half-siblings from his Kenyan father's family – six of them living. Obama's mother was survived by her Kansas-born mother, Madelyn Dunham, until her death on November 2, 2008, two days before his election to the Presidency. Obama also has roots in Ireland; he met with his Irish cousins in Moneygall in May 2011. In ''Dreams from My Father'', Obama ties his mother's family history to possible Native American ancestors and distant relatives of Jefferson Davis, President of the Confederate States of America during the American Civil War.

Obama was known as "Barry" in his youth, but asked to be addressed with his given name during his college years. Besides his native English, Obama speaks Indonesian at the conversational level, which he learned during his four childhood years in Jakarta. He plays basketball, a sport he participated in as a member of his high school's varsity team.

Obama is a well known supporter of the Chicago White Sox, and threw out the first pitch at the 2005 ALCS when he was still a senator. In 2009, he threw out the ceremonial first pitch at the all star game while wearing a White Sox jacket. He is also primarily a Chicago Bears fan in the NFL, but in his childhood and adolesence was a fan of the Pittsburgh Steelers, and recently rooted for them ahead of their victory in Super Bowl XLIII 12 days after Obama took office as President.

In June 1989, Obama met Michelle Robinson when he was employed as a summer associate at the Chicago law firm of Sidley Austin. Assigned for three months as Obama's adviser at the firm, Robinson joined him at group social functions, but declined his initial requests to date. They began dating later that summer, became engaged in 1991, and were married on October 3, 1992. The couple's first daughter, Malia Ann, was born on July 4, 1998, followed by a second daughter, Natasha ("Sasha"), on June 10, 2001. The Obama daughters attended the private University of Chicago Laboratory Schools. When they moved to Washington, D.C., in January 2009, the girls started at the private Sidwell Friends School. The Obamas have a Portuguese Water Dog named Bo, a gift from Senator Ted Kennedy.

Applying the proceeds of a book deal, the family moved in 2005 from a Hyde Park, Chicago condominium to a $1.6 million house in neighboring Kenwood, Chicago. The purchase of an adjacent lot—and sale of part of it to Obama by the wife of developer, campaign donor and friend Tony Rezko—attracted media attention because of Rezko's subsequent indictment and conviction on political corruption charges that were unrelated to Obama.

In December 2007, ''Money'' magazine estimated the Obama family's net worth at $1.3 million. Their 2009 tax return showed a household income of $5.5 million—up from about $4.2 million in 2007 and $1.6 million in 2005—mostly from sales of his books. On his 2010 income of $1.7 million, he gave 14 percent to non-profit organizations, including $131,000 to Fisher House Foundation, a charity assisting wounded veterans' families, allowing them to reside near where the veteran is receiving medical treatments.

Obama tried to quit smoking several times, sometimes using nicotine replacement therapy, and, in early 2010, Michelle Obama said that he had successfully quit smoking.

Religious views

Obama is a Christian whose religious views developed in his adult life. He wrote in ''The Audacity of Hope'' that he "was not raised in a religious household". He described his mother, raised by non-religious parents (whom Obama has specified elsewhere as "non-practicing Methodists and Baptists"), to be detached from religion, yet "in many ways the most spiritually awakened person that I have ever known". He described his father as "raised a Muslim", but a "confirmed atheist" by the time his parents met, and his stepfather as "a man who saw religion as not particularly useful". Obama explained how, through working with black churches as a community organizer while in his twenties, he came to understand "the power of the African-American religious tradition to spur social change".

In an interview with the evangelical periodical ''Christianity Today'', Obama stated: "I am a Christian, and I am a devout Christian. I believe in the redemptive death and resurrection of Jesus Christ. I believe that that faith gives me a path to be cleansed of sin and have eternal life."

On September 27, 2010, Obama released a statement commenting on his religious views saying "I'm a Christian by choice. My family didn't—frankly, they weren't folks who went to church every week. And my mother was one of the most spiritual people I knew, but she didn't raise me in the church. So I came to my Christian faith later in life, and it was because the precepts of Jesus Christ spoke to me in terms of the kind of life that I would want to lead—being my brothers' and sisters' keeper, treating others as they would treat me."

Obama was baptized at the Trinity United Church of Christ, a black liberation church, in 1988, and was an active member there for two decades. Obama resigned from Trinity during the Presidential campaign after controversial statements made by Rev. Jeremiah Wright became public. After a prolonged effort to find a church to attend regularly in Washington, Obama announced in June 2009 that his primary place of worship would be the Evergreen Chapel at Camp David.

Notes

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References

Further reading

Graff, Garrett. "The Legend of Barack Obama", ''Washingtonian'', November 1, 2006. Retrieved on January 14, 2008.

Koltun, Dave (2005) ''"The 2004 Illinois Senate Race: Obama Wins Open Seat and Becomes National Political "Star""'' in ''"The Road to Congress 2004"'' Editors: Sunil Ahuja (Youngstown State University) and Robert Dewhirst (Truman State University), Nova Science Publishers, Hauppauge, New York, 2005, ISBN 1-59454-360-7

Lizza, Ryan. "Above the Fray", ''GQ'', September 2007. Retrieved on October 27, 2010.

MacFarquhar, Larissa. "The Conciliator: Where is Barack Obama Coming From?", ''New Yorker'', May 7, 2007. Retrieved on January 14, 2008.

McClelland, Edward, ''Young Mr. Obama: Chicago and the Making of a Black President'', Bloomsbury Press, 2010.

Zutter, Hank De. "What Makes Obama Run?", ''Chicago Reader'', December 8, 1995. Retrieved on January 14, 2008.

External links

;Official

President Barack Obama ''White House official website''

BarackObama.com (official re-election campaign website)

;Other

Collected news and commentary at the ''Chicago Tribune''

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af:Barack Obama als:Barack Obama am:ባራክ ኦባማ ang:Barack Obama ab:Барақ Обама ar:باراك أوباما an:Barack Obama arc:ܒܪܐܩ ܐܘܒܐܡܐ ast:Barack Obama gn:Barack Obama ay:Barack Obama az:Barak Obama bm:Barack Obama bn:বারাক ওবামা bjn:Barack Obama zh-min-nan:Barack Obama ba:Барак Обама be:Барак Абама be-x-old:Барак Абама bh:बराक ओबामा bcl:Barack Obama bi:Barak Obama bg:Барак Обама bar:Barack Obama bo:བ་རག་ཨོ་པྰ་མ། bs:Barack Obama br:Barack Obama ca:Barack Hussein Obama cv:Барак Обама ceb:Barack Obama cs:Barack Obama cbk-zam:Barack Obama co:Barack Obama cy:Barack Obama da:Barack Obama pdc:Barack Obama de:Barack Obama dv:ބަރަކް އޮބާމާ nv:Hastiin alą́ąjįʼ dahsidáhígíí Barack Obama dsb:Barack Obama et:Barack Obama el:Μπαράκ Ομπάμα eml:Barack Obama myv:Обамань Барак es:Barack Obama eo:Barack Obama ext:Barack Obama eu:Barack Obama fa:باراک اوباما fo:Barack Obama fr:Barack Obama fy:Barack Obama fur:Barack Obama ga:Barack Obama gv:Barack Obama gd:Barack Obama gl:Barack Obama gan:奧巴馬 hak:Barack Obama ko:버락 오바마 ha:Barack Obama haw:Barack Obama hy:Բարաք Օբամա hi:बराक ओबामा hsb:Barack Obama hr:Barack Obama io:Barack Obama ilo:Barack Obama id:Barack Obama ia:Barack Obama ie:Barack Obama os:Обама, Барак is:Barack Obama it:Barack Obama he:ברק אובמה jv:Barack Obama kl:Barack Obama kn:ಬರಾಕ್ ಒಬಾಮ pam:Barack Obama ka:ბარაკ ობამა kk:Барак Обама kw:Barack Obama rw:Barack Obama sw:Barack Obama ht:Barack Obama ku:Barack Obama ky:Барак Хусеин Обама lad:Barack Obama lo:ບາຣັກ ໂອບາມາ ltg:Baraks Obama la:Baracus Obama lv:Baraks Obama lb:Barack Obama lt:Barack Obama li:Barack Obama ln:Barack Obama jbo:byRAK.obamas lmo:Barack Obama hu:Barack Obama mk:Барак Обама mg:Barack Obama ml:ബറാക്ക് ഒബാമ mt:Barack Obama mi:Barack Obama mr:बराक ओबामा xmf:ბარაქ ობამა arz:باراك اوباما mzn:باراک اوباما ms:Barack Obama mn:Барак Обама my:ဘာရတ်အိုဘားမား nah:Barack Obama na:Barack Obama nl:Barack Obama nds-nl:Barack Obama ne:बाराक ओबामा ja:バラク・オバマ nap:Barack Obama no:Barack Obama nn:Barack Obama nrm:Barack Obama nov:Barack Obama oc:Barack Obama mhr:Обама, Барак uz:Barack Obama pa:ਬਰਾਕ ਓਬਾਮਾ pag:Barack Obama pnb:بارک اوبامہ pap:Barack Obama ps:باراک حسين اوباما km:បារ៉ាក់ អូបាម៉ា pms:Barack Obama tpi:Barack Obama nds:Barack Obama pl:Barack Obama pt:Barack Obama crh:Barak Obama ksh:Barack Obama ro:Barack Obama rm:Barack Obama qu:Barack Obama ru:Обама, Барак sah:Барак Обама se:Barack Obama sc:Barack Obama sco:Barack Obama nso:Barack Obama sq:Barack Obama scn:Barack Obama si:බරාක් ඔබාමා simple:Barack Obama sk:Barack Obama sl:Barack Obama szl:Barack Obama so:Barack Obama ckb:باراک ئۆباما srn:Barack Obama sr:Барак Обама sh:Barack Obama su:Barack Obama fi:Barack Obama sv:Barack Obama tl:Barack Obama ta:பராக் ஒபாமா roa-tara:Barack Obama tt:Baraq Husseyın Obama II te:బరాక్ ఒబామా tet:Barack Obama th:บารัก โอบามา tg:Барак Ҳусейн Обама chr:ᏆᎳᎩ ᎣᏆᎹ tr:Barack Obama tk:Barak Obama uk:Барак Обама ur:بارک اوبامہ ug:باراك ئوباما vec:Barack Obama vi:Barack Obama wa:Barack Obama vls:Barack Obama war:Barack Obama wo:Barack Obama wuu:巴拉克·奥巴马 yi:באראק אבאמא yo:Barack Obama zh-yue:奧巴馬 diq:Barack Obama zea:Barack Obama bat-smg:Barack Obama zh:贝拉克·奥巴马