<DIV>International Relations is the multi-disciplinary and heterogeneous study which goes to the heart of relations between states and international organizations, embracing international politics, economics, political economy, diplomatic, and international history. It seeks to explain the mainsprings of global politics, is a prime field for historians and especially for political scientists, and IR theory provides the essential intellectual underpinning of the discipline. This book features over 250 alphabetical entries covering the most important and the latest cutting-edge theory, from anarchy to world systems theory. Entries include scholars, writers, concepts, principal debates, argumentation, theories, leading schools of thought, states, international bodies, conflicts and war, treaties and alliances. The coverage is global and comprehensive with substantial cross-referencing, and the extensive index serves as a major reference tool enabling readers to pick up additional important subjects from the main alphabetical entries. Clear and concise writing cuts through even the most opaque theoretical subjects and the result is an essential reference guide for students of International Relations, politics, and history that will guide both specialists and general readers through the fast-changing complexities of global politics.</DIV>