- published: 02 Mar 2013
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International security consists of the measures taken by nations and international organizations, such as the United Nations, to ensure mutual survival and safety. These measures include military action and diplomatic agreements such as treaties and conventions. International and national security are invariably linked. International security is national security or state security in the global arena.
With the end of World War II, a new subject of study focusing on international security emerged. It began as an independent field of study, but was absorbed as a sub-field of international relations. Since it took hold in the 1950s, the study of international security has been at the heart of international relations studies. It covers labels like “security studies”, “strategic studies”, “peace studies”, and others.
There is no universal definition of the concept of security, but concepts in international security studies have been defined, such as sovereignty, war, anarchy, security dilemma, etc. The meaning of "security" is often treated as a common sense term that can be understood by "unacknowledged consensus". As there is no universal concept, the content of international security has expanded over the years. Today it covers a variety of interconnected issues in the world that have an impact on survival. It ranges from the traditional or conventional modes of military power, the causes and consequences of war between states, economic strength, to ethnic, religious and ideological conflicts, trade and economic conflicts, energy supplies, science and technology, food, as well as threats to human security and the stability of states from environmental degradation, infectious diseases, climate change and the activities of non-state actors.