Ideal as a brief main text for IR Theories courses or as a supplemental text for IR, American Foreign Policy, or Global Studies courses, International Relations Theory: A Primer covers the main definitions, concepts, arguments, and criticisms regarding the five predominant IR theories and approaches used in the field today: realism, liberalism, constructivism, economic structuralism, and feminism. Bridging the gap between theory and practice, it helps students understand and critique the theories and apply them to real-world issues.FEATURESPresents the essential elements, assumptions, and development of the top five IR theories used by researchers in the field"Family Tree" graphics show how each theory contains within it a series of sub-theories that help explain specific phenomenaApplies each theory to the same two case studies: one on the proliferation of weapons of mass destruction (WMDs) and the other on the World Trade Organization (WTO)Includes summary tables for each case study in every theory chapter, providing quick summaries and visuals that connect the theories to the case studiesTies the theories together in a concluding chapter, demonstrating their overlapping nature and highlighting each one's strengths and weaknesses as explanatory tools in IR