History Civil rights 5 Mexican Americans 4 Civil rights workers 3 Ethnic relations 3 Foreign relations 3 Political activists 3 more ... Politics and government 3 Hispanic Americans 2 Imperialism 2 Race relations 2 Societies, etc 2 African Americans 1 Anti-Americanism 1 Chicano movement 1 Cubans 1 Emigration and immigration 1 Hispanic American politicians 1 Hispanic American veterans 1 Legislators 1 Motion picture producers and directors 1 Politicians 1 Puerto Rican women 1 Puerto Rican youth 1 Puerto Ricans 1 Refugees 1 Relations 1 Social action 1 Social conditions 1 Social workers 1 less ...