Causes History 40 Secession 23 Politics and government 18 Slavery 16 Political aspects 9 Nationalism 8 more ... Antislavery movements 5 Generals 5 Political culture 5 Civilization 4 Moral and ethical aspects 4 Political and social views 4 Public opinion 4 Race relations 4 Cotton trade 3 Decision making 3 Economic aspects 3 Evangelicalism 3 Justification 3 Revolutions 3 Self-determination, National 3 Command of troops 2 Economic conditions 2 Foreign economic relations 2 Historians 2 Historiography 2 Influence 2 Intellectual life 2 Moral conditions 2 less ...