History 328 Politics and government 224 Intellectual life 94 Civilization 87 Social life and customs 67 Manners and customs 59 Political aspects 57 more ... History and criticism 50 Slavery 45 Political culture 37 American literature 35 Presidents 35 Foreign relations 34 National characteristics, American 29 Influence 28 International relations 26 Social aspects 24 Constitutional history 23 Description and travel 23 Social conditions 21 Antislavery movements 18 Historiography 18 Political and social views 18 Democracy 14 Legislators 14 Statesmen 14 In literature 13 Relations 12 Rhetoric 12 Territorial expansion 12 less ...