Slavery 1,843 Politics and government 317 History 270 African Americans 196 Extension to the territories 187 Controversial literature 180 Antislavery movements 161 more ... Slavery and the church 153 Enslaved persons 102 Justification 84 Slave trade 77 Speeches in Congress 77 Emancipation 76 Afro-Americana 62 Abolitionists 58 Colonization 49 Social conditions 49 Esclavage 47 Slavery in the Bible 43 %SP3 40 Compromise of 1850 39 Fugitive slaves 39 Republican 38 Society of Friends 36 Secession 34 Societies, etc 34 Campaign literature 33 Race relations 31 Law and legislation 26 Missouri compromise 22 Anti-slavery movements 21 Campaign literature, 1860 21 Causes 21 Political aspects 21 Democratic 20 Description and travel 20 Histoire 20 Economic conditions 19 Campaign literature, 1856 18 Slave labor 17 less ...