International relations or international affairs, depending on academic institution, is either a field of political science, an interdisciplinary academic field similar to global studies, or an entirely independent academic discipline in which students take a variety of internationally focused courses in social science and humanities disciplines. In both cases, the field studies relationships between 'political entities' such as states, sovereign states, empires, inter-governmental organizations , international non-governmental organizations , non-governmental organizations , and multinational corporations , and the wider world-systems produced by this interaction. Wikipedia*
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