| A | B |
|---|
| Harper's Ferry | Abolitionist John Brown leads a raid on the U.S. arsenal in hopes of gathering weapons for a slave revolt |
| Popular Sovereignty | a system in which residence of a territory or state vote to decide on an issue such as slavery |
| Compromise of 1850 | Admitted California as a free state upsetting the balance between free and slave states in Congress |
| secession | the formal withdrawl of a state from the United States |
| emancipation | the freeing of slaves |
| Fugitive Slave Act | part of the Compromise of 1850, required escaped slaved to be returned to their owners |
| Underground Railroad | a system of routes used by slaves to escape from the South |
| Kansas-Nebraska Act | created two seperate territories and allowed the citizens to decide on the issue of slavery in the area |
| Bleeding Kansas | name given to the territory that became a battleground between proslavery and antislavery groups |
