| A | B |
| Indentured Servant | A person who is bonded or contracted to work for another person for a specified time |
| Servitude | A state of subjection to an owner or master |
| Expansionist | The practice or policy of territorial or economic expansion |
| Popular Sovereignty | The concept that political and legislative power resides with the citizens |
| Repeal | To revoke, take away, cancel |
| Proslavery | Supportive of the practice of slavery |
| Antislavery | Opposed to practice of slavery |
| Abolitionist | A person who wanted to bring about the immediate end of slavery |
| Demographic | Relating to the study of the characteristics of human populations |
| Speculator | Someone who invests financially in something, with the possibility of great gains or losses |
| Unconstitutional | Not in accord with the principles set forth in the constitution of a nation or state |
| Transcontinental | Spanning or crossing a continent |
| Missouri Compromise | Maine enters a free state, Missouri enters a slave state, slavery banned in northern Louisiana Territory |
| Compromise of 1850 | California enters a free state, Fugitive Slave Act |
| KS-NE Act | Missouri Compromise repealed, popular sovereignty for Kansas and Nebraska |