| A | B | 
| Emancipation Proclamation | an executive order issued by Abraham Lincoln on Jan. 1, 11863, freeing the slaves in all regions in rebellion against the Union | 
| 54th Massachusetts Regiment | one  of the first African-American regiments organized to fight for the Union in the Civil War | 
| Copperhead | Abraham Lincoln's main political opponents; they favored peace with the South | 
| conscription | a law that required men to serve in the military or be drafted | 
| bounty | a reward or cash payment given by a government | 
| income tax | a tax on earnings | 
| greenback | paper currency issued by the federal government during the Civil War | 
| Clara Barton | founder of the Red Cross: during the Civil War, made food for soldiers and tended to the wounded | 
| Battle of Gettysburg | an 1863 battle in the Civil War in which the Union defeated the Confederacy, ending hopes for a Confederate victory in the North | 
| Pickett's Charge | General George Pickett led a direct attack on Union troops during the 1863 Civil War battle at Gettysburg; the attack failed | 
| Ulysses S. Grant | Union general defeated troops at the Battle of Vicksburg, was willing to fight Lee | 
| Robert E. Lee | Confederate general | 
| Siege of Vicksburg | an 1863 Union victory in the Civil War that enabled the Union to control the entire Mississippi River | 
| William Tecumseh | Union general who pushed through the Deep South to Atlanta and the Atlantic coast | 
| Appomattox Court House | the Virginia town where Robert E. Lee surrendered to Ulysses S. Grant in 1865, ending the Civil War | 
| Thirteenth Ammendment | an ammendment to the U.S. Constitution, adopted in 1865, banning slavery and involuntary servitude in the United States | 
| John Wilkes Booth | Confederate supporter who assassinated Lincoln at Ford's Theatre |