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The new discipline had liberal tenets like Sir Norman Angell or Woodrow Wilson
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Universities, academic journals, professional associations, think tanks
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Collaboration to overcome the crisis. The world order became institutionalized
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Ontological debate between liberalism and realism
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Criticism of the liberals
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Epistemological debate between traditionalism and behaviouralism
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Ontological debate between neo-liberalism and neo-realism (neo-Marxism)
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Societal actors became important and acted independently from governments
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Epistemological debate between constructivism and rationalism