| A | B |
| Dred Scott | Missouri slave who sued for his freedom |
| Secession | Act of leaving the Union |
| Ordinance of Secession | Took South Carolina out of the Union |
| Jefferson Davis | President of the Confederate States of America |
| Know Nothings | 3rd Party in 1860 Presidential election |
| Popular Sovereignty | Territories voted to have slavery or not |
| Kansas-Nebraska Act | Let Kansas and Nebraska decide to have slavery or not |
| Confederate States of America | Southern nation created by seceding states |
| Republican Party | Replaced the Whig Party |
| Preston Brooks | Attacked Senator Sumner with a cane |
| Abolitionists | Wanted to end slavery |
| Constitutional Union Party | American Party was anti-immigrants |
| Electorial College | These electors actually elect the President |
| John Brown | Led raid on Harper's Ferry |
| Whigs | Party split over slavery |