Ethnic relations History 450 Social conditions 239 Jews 151 Politics and government 127 Ethnic identity 123 Immigrants 109 more ... Race relations 81 Mexican Americans 77 Emigration and immigration 66 Social life and customs 65 Minorities 53 Social aspects 49 Frontier and pioneer life 44 Cultural assimilation 40 Ethnicity 40 Indians of North America 40 Economic conditions 39 Government relations 36 Civil rights 33 Hispanic Americans 28 African Americans 24 Mayas 24 Political aspects 24 Irish Americans 22 Community life 20 Intellectual life 19 Multiculturalism 18 Puerto Ricans 18 Civil rights movements 17 less ...