Slavery 1,887 Politics and government 315 History 261 African Americans 200 Extension to the territories 188 Controversial literature 183 Antislavery movements 177 more ... Slavery and the church 156 Slaves 96 Emancipation 86 Justification 85 Speeches in Congress 79 Slave trade 68 Afro-Americana 62 Abolitionists 59 Colonization 55 Social conditions 48 Fugitive slaves 43 Slavery in the Bible 41 %SP3 40 Compromise of 1850 39 Republican 39 Societies, etc 39 Society of Friends 38 Secession 34 Campaign literature, 29 Law and legislation 29 Race relations 28 Missouri compromise 22 Anti-slavery movements 21 Campaign literature, 1860 21 Causes 21 Democratic 21 Political aspects 20 Legal status of slaves in free states 19 Slave labor 19 Campaign literature, 1856 18 Description and travel 17 Economic conditions 17 Law 15 less ...