Economic conditions History Social conditions 294 Politics and government 176 Economic policy 77 Economic aspects 67 Commerce 57 more ... Social aspects 50 Race relations 42 African Americans 35 Social life and customs 31 Agriculture 30 Capitalism 30 Economic development 29 Political aspects 28 Working class 26 Ethnic relations 25 Foreign relations 25 Social change 23 Economics 22 Industries 22 Land tenure 22 Women 21 Slavery 19 Cities and towns 18 Civilization 18 Employment 18 Environmental conditions 18 City and town life 17 Foreign economic relations 17 less ...