IR is the subfield of political science that examines the interactions between states, international organizations and transnational actors. The main purpose of this course is to introduce students to the four main paradigms of international relations, namely realism, liberalism, radicalism/Marxism and constructivism. Some of the specific issues that will be examined in this course include war and peace, nuclear deterrence and non-proliferation, globalization, human rights, and environmental protection.