Politics and government Slavery 19 Presidents 14 History 13 Campaign literature 6 Election 6 Mexican War, 1846-1848 6 more ... Extension to the territories 5 Annexation 4 Abolitionists 3 Politique et gouvernement 3 Sources 3 Whig 3 Annexation to the United States 2 Antislavery movements 2 Biographies dans les campagnes électorales 2 Campagnes électorales 2 Campaign biography 2 Campaign literature, 1828 2 Controversial literature 2 Correspondence 2 Diplomatic and consular service, American 2 Documentation 2 National Republican 2 Petition, Right of 2 Political parties 2 Presidential candidates 2 Speeches in Congress 2 Territorial expansion 2 Anti-Catholicism 1 Biografie 1 Biography 1 Campaiagn literature, 1848 1 Campaign literature, 1834 1 Campaign literature, 1838 1 Campaign literature, 1845 1 Campaign literature, 1846 1 Christianity 1 Civilization 1 Colonial question 1 less ...