This thoroughly revised edition of Peter Wallensteen's text provides a comprehensive guide to understanding conflict resolution in the contemporary global environment. "Understanding Conflict Resolution" draws on recent and classic research from around the world, linking the theory of conflict resolution to in-depth case studies throughout. This new edition has been brought fully up to date with coverage of the ongoing 'war on terror', as well as events in Sudan, Lebanon, Sri Lanka and Zimbabwe. Part Three considers the developments in UN reform and the increasing importance of civil society organizations.