absolute gain alexander wendt anarchy in international relations canada capital accumulation capitalism constructivism in international relations critical international relations theory cuba cultural capital culture democratic peace theory dependency theory economic system english school of international relations theory epistemology european integration feminism in international relations film form of government functionalism in international relations human security immanuel wallerstein institutionalism institutionalism in international relations interdependence invisible hand liberal international relations theory liberalism list of scholarly journals in international relations marxism marxist international relations theory natural resource neo-gramscianism neofunctionalism neoliberalism in international relations never at war ole holsti ontology political realism postcolonialism postmodernism power politics rationality security dilemma self-interest sovereignty state united states woodrow wilson world government