History Politics and government Causes 100 Slavery 82 Reconstruction (U.S. history, 1865-1877) 59 Social aspects 52 Political aspects 51 more ... Secession 50 Social conditions 47 Presidents 35 African Americans 31 Campaigns 29 Influence 27 Race relations 25 Antislavery movements 23 Political and social views 23 Friends and associates 20 Generals 20 Political culture 20 Military leadership 17 Political activity 17 Governors 16 Legislators 16 Slaves 16 Emancipation 15 Statesmen 15 Public opinion 13 Unionists (United States Civil War) 13 Economic conditions 12 Nationalism 12 less ...