History Foreign relations 20 Politics and government 13 Relations 11 History and criticism 8 Mexican Americans 8 Motion pictures 8 plus ... Civil rights 6 Ethnic relations 5 Imperialism 4 Social conditions 4 Women 4 American literature 3 Civil rights workers 3 Civilization 3 Emigration and immigration 3 Hispanic Americans 3 Political activists 3 Political aspects 3 Political science 3 African Americans 2 American drama 2 Civil rights movements 2 Cold War 2 Criticism and interpretation 2 Description and travel 2 East and West 2 Ethnic identity 2 Feminists 2 In motion pictures 2 moins ...