Civilization Race relations History 34 Social conditions 14 African Americans 13 Race identity 12 Blacks 11 Group identity 10 African influences 9 Emigration and immigration 7 National characteristics, American 7 Cultural pluralism 5 Historiography 5 Intellectual life 5 Minorities 5 Politics and government 5 Popular culture 5 Social aspects 5 African American influences 4 Africans 4 Ethnic relations 4 Public opinion 4 Racism 4 Social life and customs 4 Culture conflict 3 Economic conditions 3 Frontier and pioneer life 3 Islam 3 Islamic influences 3 Multiculturalism 3