History Foreign relations 7 History and criticism 5 Civil rights 4 Civil rights workers 3 Ethnic relations 3 Imperialism 3 more ... Mexican Americans 3 Motion pictures 3 Political activists 3 Politics and government 3 American drama 2 American literature 2 Political aspects 2 Puerto Rican women 2 Race relations 2 Refugees 2 Relations 2 Social conditions 2 Women and literature 2 Women authors 2 African Americans 1 Anti-Americanism 1 Appreciation 1 Architecture 1 Autonomy and independence movements 1 Avant-garde (Aesthetics) 1 Chicano movement 1 Civilization 1 Cold War 1 less ...