The reinforcements of A.P. Hill stopped an offensive on the southern flank of this battle that culminated in Ambrose Burnside capturing a bridge that would later be renamed after him.
One side in this battle positioned its army along the Hagerstown Turnpike, though their lines of retreat consisted only of the Boteler's Ford over a river to their rear. One attack in this battle attempted to capture the Dunker Church, leading to vicious fighting in close quarters in a field of corn. Prior to this battle, one side received information about the other's strategy by obtaining a copy of Special Order 191. The reinforcements of A.P. Hill stopped an offensive on the southern flank of this battle that culminated in Ambrose Burnside capturing a bridge that would later be renamed after him. Several Union charges in this battle targeted the Sunken Road, and the indecisive attitude of George McClellan after it led to his dismissal. For 10 points, name this 1862 Civil War Battle after which Lee was forced to withdraw from Maryland, known for being the bloodiest single day battle in American history.
One side in this battle positioned its army along the Hagerstown Turnpike, though their lines of retreat consisted only of the Boteler's Ford over a river to their rear.
Battle of Antietam [or Battle of Sharpsburg]