History Historia 35 Foreign relations 28 Histoire 22 Politics and government 19 Relations 17 History and criticism 10 hơn ... Civil rights 9 Mexican Americans 8 Motion pictures 8 Emigration and immigration 7 Civilization 6 Ethnic relations 6 Political science 6 Social conditions 6 Política y gobierno 5 Relaciones exteriores 5 American literature 4 Cold War 4 Description and travel 4 Imperialism 4 Jews 4 Philosophy 4 Political aspects 4 Women 4 American drama 3 Civil rights workers 3 Commerce 3 Criticism and interpretation 3 Frontier and pioneer life 3 ít hơn ...