German idealism in the light of social history -- Bismarck's Realpolitik -- Moltke and Schlieffen -- Russia and the European political system -- The political cohesion of the Austro-German alliance in World War I -- Diplomats and diplomacy in the early Weimar Republic -- Origins and political character of Nazi ideology -- The German opposition to Hitler -- American planning of the military government of Germany during World War II -- The United States and Germany in world politics.