The international system from the seventeenth century to the present. The emergence of the great powers ; Eighteenth-century diplomacy ; Balance of power, 1815-1914: three experiments ; System-building, 1919-1939 ; Public opinion and foreign policy ; Totalitarian and democratic diplomacy, 1919-1939 ; Franklin D. Roosevelt's plans for a postwar system of security ; The Cold War as international system ; Detente and its problems ; The evolving international system -- Maintaining the system: problems of force and diplomacy. Nagotiation ; Deterrence ; Coercive diplomacy ; Crisis management ; War termination ; Detente -- Ethical imperatives and foreign policy. The Christian statesman: Bismarck and Gladstone ; The problem of ethical and moral constraints on the use of force in foreign policy.