International relations

International relations (IR) or Global Governance are the interactions between sovereign states. The scientific study of those interactions is called international studies, or international affairs.[2] In a broader sense, it concerns all activities between states—such as war, diplomacy, trade, and foreign policy—as well as relations with and among other international actors, such as intergovernmental organisations (IGOs), international nongovernmental organisations (INGOs), international legal bodies, and multinational corporations (MNCs).[3][4] There are several schools of thought within IR, of which the most prominent are realism, liberalism, and constructivism.

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International relations is widely classified as a major subdiscipline of political science, along with comparative politics and political theory.[5][6] However, it often draws heavily from other fields, including anthropology, economics, geography, law, philosophy, sociology, and history.[7]

While international politics has been analyzed since antiquity, international relations did not become a discrete field until 1919, when it was first offered as an undergraduate major by Aberystwyth University in the United Kingdom.[5][8] After the Second World War, international relations burgeoned in both importance and scholarship—particularly in North America and Western Europe—partly in response to the geostrategic concerns of the Cold War. The collapse of the Soviet Union and subsequent rise of globalization in the late 20th century presaged new theories and evaluations of the rapidly changing international system.[9]