| A | B |
| Preston Brooks | Southern congressman whose bloody attack on northern senator fueled sectional hatred |
| Stephen A. Douglas | Leading Northern Democrat whose presidential hopes fell victim to the conflict over slavery |
| Dred Scott | Black slave whose unsuccessful attempt to win his freedom deepened the sectional controversy |
| Jefferson Davis | Former United States senator who in 1861 became the president of what called itself a new nation |
| Harriet Beecher Stowe | "The little woman who wrote the book that made this great war" (the Civil War) |
| John Brown | Fanatical and bloody-minded abolitionist martyr admired in the North and hated in the South |
| Hinton R. Helper | Southern born author whose book attacking slavery's effects on whites aroused northern opinion |
| Pottawatomie Creek, Kansas | Scene of militant abolitionist John Brown's massacre of proslavery men in 1856 |
| Montgomery, Alabama | Site where seven seceding states united to declare their independence from the United States |
| John C. Fremont | Romantic western hero and the first Republican candidate for president |
| Charles Summer | Abolitionist senator whose verbal attack on the South provoked a physical assault that severely injured him |
| Harpers Ferry, Virginia | Site of a federal arsenal where a militant abolitionist attempted to start a slave rebellion |
| John C. Breckenridge | Buchanan's vice president, nominated for president by breakaway southern Democrats in 1860 |
| James Buchanan | Weak Democratic president whose main manipulation by proslavery forces divided his own party |
| James Buchanan | Weak Democratic president whose main manipulation by proslavery forces divided his own party |
| New England Emigrant Aid Company | Abolitionist group that sent settlers and "Beecher's Bibles" to oppose slavery in Kansas |