| A | B |
| Dred Scott | a slave who sued to get his freedom |
| Henry Clay | "the Great Compromiser" - helped produce the MISSOURI COMPROMISE and the COMPROMISE OF 1850 |
| Stephen Douglas | believed POPULAR SOVEREIGNTY was the best way to deal with the issue of slavery; producer of the KANSAS-NEBRASKA ACT |
| Abraham Lincoln | Republican Party candidate for President in 1860; wanted to prevent the spread of slavery |
| US Constitution - Three-Fifths Compromise | provided that 3/5 of slaves would count in the population of a state |
| US Constitution - Slavery compromise | Slavery would be legal in the US, but slaves could only be imported to the US until 1807 |
| Missouri Compromise (1820) | Missouri would be a slave state; Maine would be a free state; Territories north of 36,30 could not have slaves, but territories south of 36,30 line could have slaves |
| Compromise of 1850 | California would be a free state; Fugitive Slave Act; Utah and NM territories can vote on slavery |
| Kansas-Nebraska Act (1854) | Kansas and Nebraska territories can vote on slavery - POPULAR SOVEREIGNTY |
| Fugitive Slave Act | Northerners must help returned slaves who escaped to the South |
| Dred Scott Decision (1857) | African-Americans are not citizens; Missouri Compromise is unconstitutional; Congress could not outlaw slavery in any American territory |