<P>This book examines the operational and political challenges facing UN peace operations deployed in countries where civil war and protracted violence have given rise to the complex and distinctive political economies of conflict. </P><P>The volume explores the nature and impact of such political economies - informal systems of power and influence formed by the interaction of local, national, and region-wide war economies with the political agendas of conflict actors - on the course of UN peace operations. It focuses in detail on the UN''s long-running peace operations in the Democratic Republic of Congo, South Sudan, Afghanistan, Sierra Leone, Mali, and Somalia. The book is centrally concerned with the interaction of UN missions with the power structures and local conflict dynamics that shape individual mission settings, and the challenges these pose for mediation, protection of civilians, and other tasks. It also offers a critical assessment of the various ways in which the UN ''sys