History 37 Economic conditions 28 Social conditions 22 Social aspects 15 Politics and government 14 Economic development 13 Socialism 10 more ... Economic policy 9 Economic integration 8 Social movements 8 Urbanization 8 Cities and towns 7 City planning 7 Economic aspects 7 Political aspects 7 Social policy 7 Sustainable development 7 Women 7 Commerce 6 Foreign economic relations 6 International cooperation 6 Colonies 5 Globalization 5 Labor 5 Communism 4 Democracy 4 Human rights 4 Poverty 4 Sociology 4 Economics 3 less ...