History 34 Social conditions 10 Foreign relations 9 Politics and government 9 Social aspects 8 Economic conditions 7 Civilization 6 Economic policy 5 Social classes 5 Economic aspects 4 Political aspects 4 Popular culture 4 World politics 4 Addresses, essays, lectures 3 Creative ability 3 Creative ability in technology 3 Crime and criminals 3 Human capital 3 Law and legislation 3 Leisure 3 Mass media 3 Race relations 3 Social policy 3 Technology and civilization 3 Advertising 2 Cities and towns 2 Commerce 2 Conservatism 2 Creativity 2 Criminal justice, Administration of 2