Reseña
How are alliances made? In this book, Stephen M. Walt makes a significant contribution to this topic, surveying theories of the origins of international alliances and identifying the most important causes of security cooperation between states. In addition, he proposes a fundamental change in the present conceptions of alliance systems. Contrary to traditional balance-of-power theories, Walt shows that states form alliances not simply to balance power but in order to balance threats. Walt begins by outlining five general hypotheses about the causes of alliances.