| A | B |
| Wilmot Proviso | proposal to outlaw slavery in all territory taken from Mexico in the Mexican War |
| Compromise of 1850 | admitted California to the Union and allowed for a new Fugitive Slave Act |
| popular soverignty | idea that each new state or territory should be allowed to decide the slavery question by vote |
| secession | formal withdrawl of a state from the Union |
| Stephen A. Douglas | Illinois politician who favored popular sovereignty, engineered the passage of the Compromise of 1850 |
| Millard Fillmore | president of the United States who supported the Compromise of 1850 |
| Fugitive Slave Act | federal law that allowed the pursuit of runaway slaves into any part of the country, even free states |
| personal liberty laws | forbade the imprisonment of runaway slaves and guaranteed they would have jury trials |
| Underground Railroad | network of people who aided the escape of runaway slaves |
| Harriet Tubman | famous "conductor" on the Underground Railroad |
| Uncle Toms Cabin | novel by Harriet Beecher Stowe that aroused the nation about the slavery issue |
| Harriet Beecher Stowe | author of Uncle Tom's Cabin |
| Sack of Lawrence | destructon of Lawrence, Kansas by pro-slavery forces in 1856 |
| Pottawatomie Massacre | Murder of five men by John Brown and anti-slavery forces in Kansas in 1856 |
| Bleeding Kansas | describes the violence between pro-slavery forces and abolitonists in Kansas in the days before the Civil War |
| Charles Sumner | an abolitonist,was beaten nearly to death with a cane by Preston Brooks of SC on the floor of the Senate |
| Franklin Pierce | won the Presedential election of 1852 |
| nativism | favoring native born Americans over immigrants |
| Know-Nothing Party | the American Party, nativist and secretive |
| Free Soil Party | opposed the extension of slavery into the territories |
| Republican Party | formed in 1854, it became the leading abolitionist party |
| Horace Greely | one of the founders of the Republican Party, later a candidate for President |
| John C. Fremont | 1856 Republican candidate for president |
| James Buchanan | Democratic Party candidate elected president in 1865 |
| Dred Scott | sued for his freedom, claiming he had become a free person by living in free territory for several years |
| Roger B. Taney | Chief Justice of the United States who handed down the Dred Scott decision |
| Abraham Lincoln | elected president in 1860 as the Republican party's candidate |
| Freeport Doctrine | part of Stephen Douglas's contention that people could get around the Dred Scott decision if they wanted to (popular sovereignty) |
| Harper's Ferry | site of John Brown's attempt to steal weapons and incite a slave revolt in 1859 |
| Election of 1860 | convinced southern states to leave the union |
| Confederacy | Confederate States of America formed by southern states after the election of 1860 |
| Jefferson Davis | president of the Confederacy |
| Dred Scott v. Sanford | said that neither slaves nor freed slaves were citizens and held that the Missouri Compromise was unconstitutional |