Description In September 1862, Robert E.
McClellan on September 14..
It was at three Mountain passes, referred to as South Mountain, that Lee\'s army met the Federal forces commanded by General George B.
Lee divided his army in three, sending General James Longstreet north to Hagerstown and Stonewall Jackson South to Harper\'s Ferry.
Lee led the Army of Northern Virginia north of the Potomac River for the time as part of his Northern invasion, seeking a quick end to the war.
Description In September 1862, Robert E