| A | B |
| Abolitionist | A person who wanted to end slavery |
| antislavery | opposed to practice of slavery |
| Border Ruffians | Missourians who traveled in armed groups to vote in Kansas's election during the mid-1850's |
| bushwhacker | Missouri settlers who raided antislavery settlements in Kansas |
| Jayhawker | A free-soil or Unionist guerrilla in Kansas and Missouri during the border disputes |
| Martyr | a person who dies for a cause |
| Popular Sovereignty | A belief that ultimate power resides in the people. |
| Proslavery | supportive of the practice of slavery |
| siege | military blockade or bombardment of an enemy town or position in order to force it to surrender |
| treason | Betrayal of one's country |
| Samuel Jones | Proslavery sheriff of Douglas County who attacked Lawrence and burned down newspaper offices and other buildings. |
| David Atchison | a pro-slavery senator from Missouri who encouraged people to support slavery in KS |
| Charles Sumner | Abolitionist senator whose verbal attack on the South provoked a physical assault that severely injured him |
| John Brown | Abolitionist who led the Pottawatomie Massacre in Kansas and then was hanged after leading an unsuccessful raid at Harper's Ferry, Virginia (1800-1858) |
| James Lane | An anti-slavery supporter who organized 400 settlers from northern states to come to KS Territory. |
| Beecher Bibles | Rifles sent by an abolitionist preacher, Henry Ward Beecher to Kansas in boxes and crates labeled "books and bibles" so not to be detected. |
| Bleeding Kansas | A series of violent conflicts in the Kansas territory between anti-slavery and pro-slavery factions over the status of slavery. |