| A | B |
| Secession | Decision by state to leave the Union. |
| Compromise of 1850 | Series of measures that were intended to settle the issues between free states and slave states. |
| Popular Sovereignty | Idea that people living in a territory should make their own decisions on slavery. |
| Harriet Tubman | Famous conductor on the Underground Railroad. |
| Harriet Stowe | Author of the antislavery novel Uncle Tom Cabin. |
| John Brown | Fierce opponent of slavery who led the raid that killed five proslavery people. |
| Nativism | Favoring native-born people over immigrants. |
| Republican Party | Political party formed to oppose extending slavery in the territories. |
| Dred Scott | Slave who was briefly taken by his owner into free territory. |
| Confederacy | Confederate States of America |
| Fort Sumter | Union Fort in Charleston |
| Anaconda Plan | Three Part Union strategies to win the Civil War |
| Antietam | Union victory |
| Emancipation Proc | Order issued by Lincoln freeing slaves behind Confederate lines |
| Copperhead | Northern Democrats who advocated making peace with the Confederacy during the Civil War |
| Gettysburg | Battle that was the turning point of the war |
| Vicksburg | Union victory in Mississippi |
| Gettysburg Address | Important speech by President Lincoln |
| Appomattox | Site of the Confederate surrender |
| 13th Amendment | Abolished slavery everywhere in the Untied States |
| Reconstruction | Period of rebuilding the nation after the civil war |
| Radical Republican | One of the Radical republicans who wanted to destroy the political power of slaveholders |
| Black Codes | Laws enacted in many southern states that discriminated against the African Americans |
| 14th Amendment | Gave African Americans citizenship |
| 15th Amendment | Banded states from denying African Americans the right to vote |
| Scalawag | White southerner who joined the republican party |
| Carpetbagger | Northerner who moved to the south after the war |
| Ku Klux Klan | Terrorist group of white southerners who used violence to keep blacks from voting |
| Compromise of 1877 | the political deal that gave the presidency to Hayes and ended reconstruction |
| Home Rule | Ability to run state government without the interference of the federal government |