Civilization History 550 Popular culture 159 Social aspects 149 Social conditions 143 History and criticism 138 Intellectual life 130 more ... American literature 121 National characteristics, American 119 Politics and government 97 Relations 80 Influence 75 Economic conditions 58 International relations 56 American influences 54 Social life and customs 54 Foreign relations 52 Political culture 41 Public opinion 37 Manners and customs 36 Political aspects 35 Historiography 30 National characteristics, American, in literature 28 Nationalism 27 Philosophy 26 Study and teaching 25 In literature 24 Literature and society 24 Mass media 24 Race relations 24 less ...