A reference that examines ethnic relations in the 20th century. It explores the roots of ethnic conflicts, the principles that underlie relationships among communities, and the cultural differences and prejudices that contribute to confrontations between ethnic groups. The alphabetical entries define and discuss key concepts, such as antisemitism, class hatred, refugees, religious conflict, and ethnic cleansing. Also included are descriptive profiles of 38 pivotal ethnic conflicts around the world, which place conflicts in their historical and cultural context. Annotation copyright Book News, Inc. Portland, Or.