Politics and government History 64 Social conditions 19 Communism 17 Political culture 17 Opposition (Political science) 14 Berlin Wall, Berlin, Germany, 1961-1989 7 more ... Foreign relations 7 Socialism 6 City planning 5 International relations 5 Political aspects 5 Protest movements 5 Architecture and state 4 Cold War 4 Economic conditions 4 Intellectual life 4 Revolutions 4 Communism and architecture 3 Communists 3 Cultural policy 3 Diplomatic relations 3 German reunification question (1949-1990) 3 Intellectuals 3 Internal security 3 National socialism 3 Political activity 3 Political parties 3 Reconstruction (1939-1951) 3 Relations 3 less ...