As political opportunities shift, social movement, decline or mobilization may result. The first section of this volume examines this phenomenon in depth while also moving theory-building forward. Significant contributions are made to collective identity theory, stalemate theory, and political process theory. accomplished through a focused series of papers that include case studies of specific social movements, comparative case studies of social movements, and comparative case studies of transnational issue networks. The movements discussed include the US anti-nuclear power movement, the...