Social classes History 215 Social conditions 190 Power (Social sciences) 124 Wealth 106 Social aspects 82 Race relations 63 Social life and customs 60 Economic conditions 54 Politics and government 51 Equality 34 African Americans 33 Political aspects 33 Economic aspects 31 Social structure 28 Sociology 26 Poverty 25 Social conflict 24 Working class 24 Elite (Social sciences) 22 Education 21 Sex role 21 Social stratification 20 Young women 20 Economic geography 19 Families 19 Social policy 19 Racism 18 Ethnicity 17 Political planning 17