| Term | Definition |
| states rights | the idea that states choose to enter the Union and can also choose to leave it |
| border ruffians | armed groups that cross a border to vote in another state's election. |
| secede | to leave or withdraw |
| sectionalism | an exaggerated loyalty to a particular region of the country |
| abstain | to not cast votes, or not taking part in an activity |
| popular sovereignty | allowing people to decide |
| secession | withdrawal from the union |
| civil war | a conflict between citizens of the same country. |
| fugitive | a runaway |
| arsenal | a storage place for weapons and ammunition |
| martyr | a person who dies for a great cause |
| prejudice | an unfair opinion not based on facts |
| discrimination | unfair treatment of a group; unequal treatment because of a persons race, religion, ethnic back round, or place of birth |
| abolitionist | a person who strongly favors doing away with slavery |
| strike | a stopping of work by workers to force an employer to meet demands |
| underground railroad | a system that helped enslaved african americans follow a network of escape routes out of the south to freedom in the north |
| rebel | confederate soldiers, so called because of opposition to the established government |
| yankee | union soldier |
| casualty | a military person killed, wounded or captured |
| bounty | money given as a reward, such as to encourage enlistment in the army |
| emancipate | to be freed from slavery |