| A | B |
| platform | statement of a political party's beliefs |
| abolition | The movement to end slavery |
| Fugitive Slave Law | This law was passed in 1850 to aid in return of runaway slaves |
| Compromise of 1850 | This agreement was passed that enabled California to enter the United States as a free state |
| immigration | Much of the increase in the population of the North in the 1800's came from this. |
| popular sovereignty | The people decide by voting |
| Republican | The political party whose platfom was to end slavery |
| Wilmot | This bill unsuccefully attempted to stop slavery in the lands gained from Mexico. It was called the __________ Proviso. |
| Crittenden | This was a proposal to save the nation after South Carolina had seceded. It was called the _______________ Plan. |
| Missouri Compromise | This agreement was passed in 1820 that allowed slavery in the south and kept the northern states free. |