what was one major result of the battle of antietam?
Many things hung in the balance as Confederate General Robert E. Lee and his Army of Northern Virginia launched a bold and daring invasion into Maryland during that month. The end result of the invasion was the Battle of Antietam, one of the most important days of the Civil War. Antietam was the bloodiest single-day battle in American history, and the Union victory there led to the Emancipation Proclamation.