Union
The Battle of Antietam was not a clear victory for neither the Confederate nor the Union armies.
because the union armies were already heavily demoralized
It happened twice - Antietam (Sept. 62) and Gettysburg (July 63)
Confederate General led the Confederate army at the Battle of Antietam in September of 1862. Lee lost the battle and had to retreat back to Virginia. Union General George B. McClellan led the Union army to the victory.
Confederate victory
union
It was an important Confederate Victory, that they needed to win.
It was an important Confederate Victory, that they needed to win.
Union victory. However they failed to pursue and destroy the Confederates, and McClellan was fired.
Union
Unfortunately it was but it also was the South's first attack on the North that resulted in a Union victory.
The Union. It was the first substantial Union victory in the Eastern theatre.