Slavery 1,937 Politics and government 322 History 299 African Americans 214 Extension to the territories 189 Antislavery movements 185 Controversial literature 182 more ... Slavery and the church 154 Enslaved persons 107 Justification 85 Emancipation 81 Slave trade 78 Speeches in Congress 77 Esclavage 63 Abolitionists 62 Afro-Americana 62 Colonization 56 Social conditions 53 Fugitive slaves 48 Slavery in the Bible 43 %SP3 40 Societies, etc 40 Compromise of 1850 39 Republican 39 Society of Friends 38 Race relations 36 Campaign literature 35 Secession 34 Histoire 32 Law and legislation 27 Missouri compromise 23 Political aspects 23 Causes 22 Anti-slavery movements 21 Campaign literature, 1860 21 Democratic 21 Description and travel 21 Economic conditions 20 Slave labor 20 Campaign literature, 1856 18 less ...