| A | B |
| secession | states leaving the Union |
| Confederate States of America | name for the southern states that left the Union in the 1800s |
| states' rights | right of each state to make its own decisions about issues such as slavery |
| Civil War | war between people in the same country |
| Battle of Bull Run, near Manassas Junction, VA | first major battle of the Civil War; won by Confederate States of America |
| Battle of Antietam | Civil War Battle; won by the Union |
| the two sides in the Civil War | Union and Confederate States of America |
| Emancipation Proclamation | Law making all enslaved Africans in the Confederate States of America free; made the Civil War a war to end slavery |
| Anaconda Plan | Union strategy for war; trying to gain control of the Mississippi River to cut off South's ability to get supplies |
| How did the Emancipation Proclamation help the Union win the Civil War? | It made the war a conflict to end slavery. It meant that Union gained more troops as enslaved Africans escaped to freedom and joined the army in the North. |
| Slave States that left the Union | Texas, Louisiana, Arkansas, Mississippi, Alabama, Georgia, Florida, Tennessee, South Carolina, North Carolina, Virginia |
| Slave States that stayed in the Union | Missouri, Kentucky, West Virginia, Maryland, Delaware |
| Abraham Lincoln | US President who wanted to end slavery |
| Union | another name for the USA (or the North) during the Civil War |
| Jefferson Davis | President of the Confederate States of America |
| Robert E. Lee | Commander of the Confederate States of America's Army |
| Battle of Gettysburg | Three day battle; Confederate States of America surrendered at the end of it |