Politics and government History 900 Slavery 338 Politique et gouvernement 266 Presidents 185 Foreign relations 172 Causes 126 more ... Social conditions 94 Colonies 89 African Americans 87 Histoire 86 Extension to the territories 78 Secession 71 Statesmen 68 Economic conditions 67 Sources 66 Election 65 Legislators 58 Campaign literature 55 Reconstruction 53 Description and travel 51 Jews 50 Political parties 50 Speeches in Congress 49 Republican 47 Democratic 45 Diplomatic relations 45 Revolution 44 Biography 43 Citizenship 43 Democracy 43 Political science 43 Social life and customs 43 Political activity 42 Race relations 42 Controversial literature 39 Constitutional history 37 Political aspects 36 Relations extérieures 34 Civil rights 33 less ...