| Term | Definition |
| In 1819 congress considered Missuouris application to join the union as a slave state. 11 free states and 11 slave states. would umbalance power. | Why did Northerners oppose allowing Missouri to enter as a slave state? |
| There were 11 free states and 11 slave states. They considered Missouri as a slave state. Missouri's admission would give the south a majority. | Explain the Missouri Compromise? |
| In 1848, the, the Mexican war added vast western lands to the united states. Once again, the question of slavery in the territerries arose. | Why was there a conflict about slavery after the Mexican War? |
| Southern leaders angirly opposed this Wilmot Proviso. | What was the Wilmot Proviso? |
| to end slavery in the south. | What did abolitionist want regarding slavery? |
| The right of people to create their government. | What is popular sovereignty? |
| To keep slavery out of the western terriotories. | What was the main goal of the Free-Soil Party? |
| Free-soilers named former President Martin Van Burin as their canadate. | What did the success of the Free-Soil Party indicate? |