Decisions of the Maryland Campaign: The Fourteen Critical Decisions That Defined the Operation

The Maryland Campaign represented Gen. Robert E. Lee's first invasion of the North. Opposing Lee was Gen. George B. McClellan, who had just retreated from Lee's onslaught during the Seven Days Battles. While Lee and McClellan fought a preliminary battle at South Mountain, and would engage again at Shepherdstown as the Confederate Army withdrew across the Potomac, the full force of both armies would meet at Antietam, and the subsequent battle would prove to be the bloodiest single-day battle...