History -- 35 Politics and government -- 35 Foreign relations -- 34 Politics and government 13 World politics -- 10 Unification, 1990 9 History 8 more ... Economic conditions -- 6 Foreign relations 6 Anti-Nazi movement -- 4 Biography -- 4 Description and travel 4 International relations 4 Military policy 4 National socialism -- 4 Pictorial works 4 Security, International 4 Civilization 3 Economic integration 3 International relations -- 3 National security -- 3 Nationalism -- 3 Relations -- 3 Social conditions -- 3 Social life and customs -- 3 Statesmen -- 3 World War, 1914-1918 -- 3 Armed forces -- 2 Athletes -- 2 Civilization -- 2 less ...