History 564 Politics and government 442 Social conditions 382 Economic conditions 224 Economic history 202 Social aspects 140 Foreign relations 128 more ... Diplomatic relations 126 Political aspects 122 History and criticism 99 Social life and customs 78 Economic policy 73 Manners and customs 65 Democracy 54 Motion pictures 53 Race relations 53 Civilization 51 Religious aspects 47 Political activity 45 Economic aspects 44 Women 42 Ethnic relations 40 Government policy 40 Emigration and immigration 36 National security 34 Influence 33 Political culture 32 Presidents 32 Islam 31 Military policy 31 less ...