History 108 United States 72 Foreign relations 55 Philosophy 43 Social aspects 41 Politics and government 32 Social conditions 26 History and criticism 25 Political aspects 23 India 21 Women 21 Globalization 20 Law and legislation 20 Economics 19 Foreign policy 18 International relations 17 Democracy 16 Education 16 Mass media 15 Research 15 Terrorism 15 Economic policy 14 Feminism 14 Sociology 14 Race relations 13 Ethics 12 Intellectual property 12 Human rights 11 Methodology 11 Political science 11