History -- Politics and government -- 32 Foreign relations -- 26 Politics and government 17 History 15 Economic conditions 10 Communism -- 8 more ... Economic conditions -- 8 20th century 7 Race relations 7 World politics -- 7 Commerce -- 6 Congresses -- 6 Democracy -- 6 Nationalism -- 6 Representative government and representation -- 6 Congresses 5 Ethnic relations 5 Minorities -- 5 Relations -- 5 Social conditions -- 5 20th century -- 4 Afro-Americans -- 4 Capitalism -- 4 Economic policy 4 Political activity -- 4 Political aspects -- 4 Socialism -- 4 Sources -- 4 Unification, 1990 4 less ...