| A | B |
| Free Soil Party | party established by Whigs and Democrats wanting to take a strong stand against the spread of slavery in 1848 |
| Wilmot Proviso | bill proposing that Congress ban slavery in Mexican Cession - did not pass the Senate |
| Henry Clay | Great Compromiser - sponsored Missouri Compromise and Compromise of 1850 |
| John C. Calhoun | Senator from South Carolina, led debate against Compromise of 1850 |
| Daniel Webster | Supported Compromise of 1850 - calling for an end to bitter sectionalism |
| Harriet Beecher Stowe | Author of Uncle Tom's Cabin published in 1852 |
| Uncle Tom's Cabin | anti-slavery book which alarmed previously unconcerned Northerners about slaver |
| Bleeding Kansas | name given to Kansas due to violence between pro-slaver and anti- slavery groups |
| Republican Party | a new political party formed in 1854 to stop the spread of slavery into wester territories |
| Dred Scott vs Sandford | Dred Scott sues for freedom after owner's death because he had lived as a slave in free states. |
| Dred Scott Decision | cannot sue because African Americans aren't citizens, living in free state does not guarantee freedom, Congress could not prohibit slavery in any territory |
| Abraham Lincoln | Republican, ran for Senate against Stephen Douglas, Republican Presidential candidate, elected President in 1860 |
| South Carolina | 1st state to secede from Union after Lincoln's election. |
| Jefferson Davis | President of the Confederate States of America |
| Fort Sumter | 1st battle of the Civil War - Island fort in the harbor of Charleston, SC |