Economic conditions History Social conditions Politics and government 15 African Americans 10 Race relations 9 Slavery 8 more ... Social aspects 6 Social classes 5 Indians of North America 4 Migrations 4 Civilization 3 Depressions 3 Enslaved persons 3 Ethnic relations 3 Foreign relations 3 International relations 3 New Deal, 1933-1939 3 Political culture 3 Social change 3 Social life and customs 3 Capitalism 2 Causes 2 Civil rights movements 2 Conservatism 2 Economic aspects 2 Employment 2 Enslaved women 2 Gender roles 2 Government policy 2 less ...