Economic conditions Social conditions 52 Politics and government 43 History 41 Emigration and immigration 32 Economic development 20 Immigrants 20 Description and travel 19 Economic policy 18 Economic aspects 15 Social aspects 15 Foreign economic relations 12 Women 12 Colonies 11 British 10 Globalization 10 Foreign relations 9 Capitalism 8 Economic history 6 Economic integration 6 African Americans 5 Commerce 5 Employment 5 Financial crises 5 Political aspects 5 Poor 5 Relations 5 Social classes 5 Working class 5 Assisted emigration 4