| A | B |
|---|
| Compromise of 1850 | This allowed California to enter the Union as a free state. |
| Anthony Burns | Fugitive slave whose arrest under the Fugitive Slave Act |
| Harriet Beecher Stowe | Author of the anti-slavery novel Uncle Tom's cabin |
| Henry Clay | Helped solve the Missouri and Nullification crises and proposed the Compromise of 1850 |
| Missouri Compromise | This prohibited slavery north of 36 degrees 30" |
| Fugitive Slave Act | Law that made it a crime to help runaway slaves and allowed officials to arrest those slaves in free areas |
| sectionalism | favoring interests of one region over the interests of the entire country |
| popular sovereignty | Idea that political power belongs to the people |
| Pottawatomie Massacre | incident in response to Sack of Lawrence in which abolitionist John Brown and seven other men murdered pro-slavery Kansans |
| Sack of Lawrence | incident in which pro-slavery government went to charge the anti-slavery government with treason and burned a city |
| Kansas-Nebraska Act | a law that allowed voters in Kansas and Nebraska to choose whether to allow slavery |
| California's admission into the Union | event that causes an imbalance of power and prompts another compromise |
| railroad to the Pacific | proposal that prompts the Kansas-Nebraska Act but is ultimately stalled until 1862 |
