Politics and government 149 Slavery 105 History 75 Speeches in Congress 38 Extension to the territories 30 African Americans 20 Emancipation 16 more ... Foreign relations 16 Emigration and immigration 14 Afro-Americana 13 Antislavery movements 13 Compromise of 1850 12 Enslaved persons 12 Tariff 12 Causes 11 Democratic 11 Secession 11 World War, 1914-1918 10 %SP3 9 Colonies 9 Histoire 9 Education 8 Abolitionists 7 Diplomatic relations 7 Indians of North America 7 Campaign literature 6 Currency question 6 Reconstruction 6 Speeches, addresses, etc., American 6 Campaign literature, 1860 5 Controversial literature 5 Financial questions 5 Politique et gouvernement 5 Presidents 5 Speeches, addresses, etc 5 American 4 Colonization 4 Communism 4 Finance 4 Finance, Public 4 less ...