ome into existence through world government. The pluralistic communities comprised international systems in which nations did not expect to go to war. In addition, their list of conditions for a successful amalgamated security alliance--mutual predictability of behavior, mutual responsiveness, and mobility of persons among the political elite--have encouraged a shift in emphasis from analyzing constitutional norms to empirical research on the necessary conditions for the existence of international government.
An alternative theory to this grandiose scheme of integration and world government is provided by functionalism, whose leading advocate was David Mitrany. Mitrany's theories about the functionalist approach to international relations have proven instrumental in the development of thinking about international organization and has served as both a starting point and a source of refinement of contemporary integration theory. In addition to spurring the growth of integration theory, Mitrany's functionalist approach to int
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