| A | B |
| Economy in the North | Large cities, factory jobs, growing rapidly, small farms |
| Economy in the South | plantations: large farms growing tobacco, rice, and cotton; also many small farmers |
| Who depended on slavery and wanted to prove that it was a "normal way of life"? | Plantation Owners |
| Missouri Compromise | Louisiana Purchase States: slavery allowed in new southern states, slavery forbidden in new northern states (except Missouri), northern part of Massachusetts becomes Maine, Maine enters as free state |
| Henry Clay | creator of Missouri Compromise, Compromise of 1850 |
| Compromise of 1850 | Mexican-American War States: California enters as a free state, New Mexico/Utah are territories and can decide on their own if they are free or slave states |
| Fugitive Slave Law | Added to Compromise of 1850 to satisfy Southern senators; required runaway enslaved Africans to be returned to their owners; punished those who helped runaways |
| Kansas-Nebraska Act | Allowed people in Kansas and Nebraska territories to decide on their own if they wanted to be free or slave states (changed rules set up by Missouri Compromise) |
| abolitionists | People who wanted to outlaw slavery |
| Underground Railroad | Neither underground nor railroad; system of routes and safe houses that led escaping slaves to freedom in the North |
| Dred Scott Decision | Supreme Court decision that said ensalved people were property and had none of the rights and privileges of an American Citizen |