The Crisis of the 1850s
- Collapse of the Second Party Sustem
- The Process of Sectionalization
- The Kansas-Nebraska Act (1854)(See the interactive Map;
click on the map to see changes)
- Motivation--Stephen A. Douglas and Railroad Promotion
- Northern Outrage--Creation of the Republican Party
- "Bleeding Kansas"
- Civil Conflict
- Violence in Congress--The Brooks-Sumner Affair (1856)
- Is Slavery the American Way?--The Dred Scott Decision (1857)
- Democratic Split, 1858-1860
- The Lecompton Constitution (1858)
- Douglas's Break With the South--The Freeport Doctrine (1858)
- The Convention of 1860