Civilization History Popular culture 124 Social aspects 122 History and criticism 91 National characteristics, American 81 Intellectual life 77 more ... American literature 75 Social conditions 75 Relations 66 Influence 49 American influences 48 International relations 39 Political culture 39 Social life and customs 39 Politics and government 38 Historiography 33 Philosophy 32 African Americans 29 Economic conditions 29 Political aspects 28 Public opinion 28 Foreign relations 25 Foreign public opinion, American 24 Race relations 24 Manners and customs 22 Americans 21 National characteristics, American, in literature 21 Nationalism 21 Literature and society 20 less ...