Battle of Gettysburg:
Fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, this battle was a turning point in the Civil War. Union forces stopped Confederate General Robert E. Lee's second (and last) attempt to invade the North. The Union emerged victorious, but the battle was the war's bloodiest, with fifty-one thousand casualties (twenty-three thousand Union and twenty-eight thousand Confederate). President Abraham Lincoln delivered his famous "Gettysburg Address" in November 19, 1863, at the dedication of the Soldiers' National Cemetery at Gettysburg. - See more at: http://www.civilwarinart.org/glossary#sthash.7RRdNKv2.dpuf
Confederacy: Also called the South or the Confederate States of America, the Confederacy incorporated the states that seceded from the United States of America to form their own nation. Confederate states were: Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas, and Virginia.
Democratic Party: The major political party in America most sympathetic to states rights and willing to tolerate the spread of slavery to the territories. Democrats opposed a strong Federal government. Most Southern men were Democrats before the War.
Emancipation: Freedom from slavery. See Emancipation Proclamation »
Flying Battery: A system where several horse-drawn cannons would ride along the battle front, stop and set up the guns, fire, limber up, and ride to another position. This practice gave the impression that many guns were in use when only a few were actually being used.
Greenbacks: Paper currency which began to circulate in the North after February 1862 with the passage of the Legal Tender Act. The bills were called "greenbacks" because of their color.
Howitzer: A cannon which fired hollow projectiles and was generally lighter and shorter than its solid-shot cousins. A howitzer's projectiles had a smaller powder