Causes History 173 Politics and government 82 Slavery 49 War 40 Antislavery movements 35 Political aspects 34 more ... Secession 31 Social aspects 16 Influence 12 Enslaved persons 10 Sectionalism (United States) 10 African Americans 9 Fugitive slaves 9 Political and social views 9 Social conditions 9 Nationalism 8 Rhetoric 8 Abolitionists 7 Emancipation 7 Historiography 7 History and criticism 7 Intellectual life 7 Public opinion 7 Economic aspects 6 Influence (Literary, artistic, etc.) 6 Motion pictures and the war 6 Race relations 6 Law and legislation 5 Press and politics 5 less ...