| A | B |
| The Union | Another name for U.S. and the name of the Northern states in the Civil War |
| free states | no slavery allowed in states north of Ohio River |
| slave states | states south of the Ohio .River where slavery was allowed |
| Missouri Compromise | an agreement in 1820 allowed Maine to enter Union as free state and Missouri to enter Union as a slave state |
| balance of power | to keep the amount representatives of each side equal |
| secede | to leave the Union |
| First Compromise | 1787: 3/5 of slaves in each state counted in deciding number of representatives in the House of Representatives |
| Northwest Ordinance | 1787 law said no slavery in territories north of the Ohio River |
| Fugitive Slave Law-1793 | required people in North to help catch slaves that escaped from the South |
| preserve | to save or keep |
| tension | a feeling of being tense, annoyed |
| Henry Clay | Speaker of House who convinced representatives to make the Missouri Compromise |
| John Calhoun | Senator who claimed a state could leave Union if it did not agree with government |
| Compromise of 1850 | agreement to allow California to be a free state and to allow slavery in Utah and New Mexico territories |
| popular sovereignty | idea that people in territories could decide about slavery for themselves and their territory |
| proslavery | for slavery |
| antislavery | against slavery |
| Kansas-Nebraska Act 1854 | law provided an election for Kansas to decide if it wanted slavery or not |
| John Brown | led a group to kill 5 men who lived in a town that wanted slavery, Pottawatomie Creek |
| Frederick Douglas | escaped slave and best known black abolitionist in the US |
| Underground Railroad | secret escape route for slaves |
| Harriet Beecher Stowe | author of Uncle Tom's Cabin which showed evils of slavery |
| Stephen Douglas | Democrat who believed in popular sovereignty |
| Abraham Lincoln | Republican against slavery who became 16th US President |
| Dred Scott | slave who sued his owner in court hoping to become free |
| Dred Scott Decision | 1857 Supreme Court decided Dred Scott was still a slave |
| Roger Taney | Chief Justice of Supreme Court who believed in slavery |
| Harper's Ferry, VA | site of federal weapons warehouse attacked by John Brown in 1859 |
| secessionists | Southerners who wanted to leave the Union (U.S) |
| confederacy | another name for the Confederate States of America (South in Civil War) |
| advantages of North in Civil War | more factories, guns,people, an army, |
| advantages of South in Civil War | good army officers, soldiers wanted to defend their homes from Northern attack |
| Fort Sumter, S.C. | first shots of Civil War fired here; fort was surrendered to South |
| Battle of Bull Run (first) | 5,000 men killed in one day |
| spectators | people who watch things happen like they did at Battle of Bull Run |
| Ulysses S. Grant | Union General (North) |
| Robert E. Lee | Confederate General (South) |
| Emancipation Proclamation | action by President Lincoln said all slaves were free |
| Appomattox Courthouse, VA | Lee surrendered to Grant ending Civil War |
| Shiloh, Antietam, Gettysburg,Atlanta, First and Second Bull Run | Important Civil War Battles |