Politics and government History 169 Causes 29 Slavery 23 Foreign public opinion 14 Politique et gouvernement 13 Secession 12 more ... Presidents 10 Histoire 8 Public opinion 7 Reconstruction 7 United States 6 Confiscations and contributions 5 Description and travel 5 Foreign relations 5 Military leadership 5 Addresses, sermons, etc 4 Campaign literature 4 Campaigns 4 Emancipation 4 Enslaved persons 4 Governors 4 Legislators 4 Travel 4 African Americans 3 Civil War 3 Civil war 3 Diplomatic relations 3 Esclavage 3 Peace 3 Political and social views 3 Political aspects 3 Political culture 3 Prisoners and prisons 3 Republican 3 Sermons 3 Social aspects 3 Social conditions 3 Sources 3 Speeches in Congress 3 less ...