| A | B |
| Wilmot Proviso | never became a law |
| Free-soil Party | dedicated to stopping the spread of slavery |
| Henry Clay | created the Compromise of 1820 |
| Daniel Webster | senator from Massachusetts |
| Stephan A. Douglas | known as "the Little Giant" |
| Compromise of 1850 | some believed it would save the union. |
| Harriet Beecher Stowe | auther of Uncle Tom's Cabin |
| Uncle Tom's Cabin | tell about Eliza crossing the Ohio River |
| Fugitive Slave Act | caused some Northerners to betry their conscience |
| popular sovereignty | where residents decide an issue |
| Kansas-Nebraska Act | made Kansas a slave state and Nebraska a free state |
| John Brown | extreme abolishionist |
| Republican Party | Abraham Lincoln's party |
| John C. Fremont | nicknamed "The Pathfinder" |
| James Buchanan | democratic candidate for the 1856 election |
| Dred Scott vs. Sandford | slave sued for his freedom |
| Roger B. Taney | Chief Justice |
| Abraham Lincoln | from Illinios |
| Harpers Ferry | a U.S. arsenal |