History -- Politics and government -- 27 Foreign relations -- 17 Politics and government 15 20th century 7 History 7 Race relations 7 more ... World politics -- 7 Representative government and representation -- 6 Communism -- 5 Democracy -- 5 Ethnic relations 5 Minorities -- 5 Nationalism -- 5 Social conditions -- 5 20th century -- 4 Afro-Americans -- 4 Political activity -- 4 Relations -- 4 Socialism -- 4 Apartheid -- 3 Arms transfers -- 3 Blacks -- 3 Civil rights -- 3 Civil rights movements -- 3 Congresses 3 Congresses -- 3 Conservatism -- 3 Constitutional history 3 Economic conditions -- 3 less ...