| A | B |
| proslavery | people that fought to keep or fought "for" slavery |
| antislavery | people that fought "against" slavery |
| Yankee | opposite of Rebel |
| Rebel | opposite of Yankee |
| North | the states fighting to abolish slavery |
| South | states fighting to keep slavery |
| Union | opposite of the Confederacy |
| Confederacy | opposite of the Union |
| Blue | color of the Northern soldiers' uniforms |
| Gray or Grey | color of the Southern soldiers' uniforms |
| CSA | Confederate States of America |
| USA | United States of America |
| Robert E. Lee | Confederate General |
| Ulysses S. Grant | Union General |
| Abraham Lincoln | President of the USA |
| Jefferson Davis | President of the CSA |
| Harriet Tubman | Conductor on the Underground Railroad |
| Clara Barton | Civil War nurse nicknamed "The Angel of the Battlefield" |
| Harriet Beecher Stowe | author of the novel, Uncle Tom's Cabin |
| John Brown | violent jayhawker that believed slavery was a national sin |