Economic conditions Political aspects Politics and government History 50 Social conditions 35 African Americans 20 Race relations 20 more ... Economic aspects 19 Globalization 14 Economic policy 12 Social aspects 12 Democracy 11 Economic development 10 Political activity 8 Capitalism 7 Poverty 7 Urban policy 7 City and town life 6 Political parties 6 African American women 5 Ethnic relations 5 Government policy 5 Protest movements 5 Social change 5 Welfare state 5 Conservatism 4 Corrupt practices 4 Financial crises 4 Mass media 4 Petroleum industry and trade 4 less ...