Civilization History 210 National characteristics, American 111 Intellectual life 80 Social conditions 76 Popular culture 65 Social aspects 58 more ... Politics and government 49 Social life and customs 37 African Americans 34 Relations 32 Manners and customs 29 Public opinion 24 American influences 23 Political culture 22 Race relations 22 History and criticism 21 Economic conditions 20 International relations 19 African American influences 18 American literature 18 Foreign relations 18 Influence 18 Cultural pluralism 17 Philosophy 17 Study and teaching 16 Ethnic relations 15 Nationalism 15 Political aspects 15 Historiography 12 less ...