Surveys the changing nature of and approaches to war and its effect on society from the Middle Ages to the present including an examination of various visions and proposals for peace. Includes an assessment of relatively recent armed conflict in Africa, Central Europe, and the Middle East, exploring the causes of contemporary conflict and some of its distinctive characteristics. Also evaluates the effectiveness of various strategies for preventing, abating, and terminating current forms of conflict. Some of the questions discussed are: Why do states go to war? How do they create a lasting peace? What role does morality play in foreign policy? What is our obligation to just peace or just war?