| A | B |
| Popular Sovereignty | Rule by the 'people' |
| Secession | To officially leave the Union |
| Wilmot Proviso | Idea to never allow slavery in former Mexican lands |
| Free Soil Party | Believed in no slavery in new territories |
| "Forty-Niners" | People who went to CA for gold |
| Compromise of 1850 | Supported idea of Popular Sovereignty |
| Fugitive Slave Act | Slave owner could follow runaways anywhere |
| Underground Railroad | Secret paths to freedom in North |
| Harriet Tubman | Most famous conductor |
| Uncle Tom's Cabin | Harriet Beecher Stowe |
| Gadsden Purchase | Southern territory for railroad |
| Kansas-Nebraska Act | Let states decide on issue of slavery |
| Republican Party | New political party of whigs, free soilers, etc |
| John Brown | Led a raid on Harper's Ferry, VA for guns |
| Dred Scott vs. Sanford | Property can NOT sue in court |
| Abraham Lincoln | His election in 1860 caused SC to seceed |
| Lincoln's Goal | Preserve the Union, not abolish slavery |
| Firing on Fort Sumter | First shots of the Civil War |
| South Carolina | First state to seceed from the Union |
| Jefferson Davis | First President of Confederate States |