| A | B |
| David Wilmot | proposed to outlaw slavery in the territory acquired from Mexico |
| abolitionist | person who wanted to end slavery |
| Free Soil Party | Political party formed in 1848 dedicated to stopping the expansion of slavery |
| sectionalism | loyalty to interests of one's own region or section of the country |
| Henry Clay | Created both the Missouri Compromise and Compromise of 1850 |
| Fugitive Slave Law | 1850 Law to help slaveholders recapture runaway slaves |
| Harriet Beecher Stowe | Wrote anti-slavery book "Uncle Tom's Cabin" |
| Daniel Webster | He stated there is no such thing as a peaceful secession |
| John C. Calhoun | Southern Senator that said slavery was a positive good |
| Stephen Douglas | wanted to build a railroad from Chicago to pacific and created Kansas-Nebraska act |
| popular sovereignty | residents would decide if slavery would be allowed or not by a vote |
| Republican Party | Political party formed in 1850 in Ripon, WI to stop the spread of slavery |
| John Brown | Lead group to raid federal arsenal at Harper's Ferry, VA |
| James Buchanan | Democratic President in 1856 |
| Confederate states of America | New Nation formed from seceding states |
| Jefferson Davis | President of Confederate States of America |
| Fort Sumter | Civil War began here April 12,1861 |
| Abraham Lincoln | Republican candidate in the 1860 presidential election |