History 40 Social conditions 8 Politics and government 7 International relations 6 Relations 6 Cold War 5 Political aspects 5 more ... Protest movements 5 Diplomatic relations 4 Foreign relations 4 Social aspects 4 World War, 1939-1945 4 Historiography 3 Military intelligence 3 Motion pictures 3 Political activity 3 Student movements 3 Antinuclear movement 2 Architecture 2 Architecture and society 2 Armed Forces 2 Attitudes 2 Berlin Wall, Berlin, Germany, 1961-1989 2 Foreign service 2 German reunification question (1949-1990) 2 Group identity 2 Histoire 2 Holocaust, Jewish (1939-1945) 2 Intellectual life 2 Intelligence officers 2 less ...