had not the lessons of James Longstreet’s example been subsumed in postwar revisionism fueled by unreconstructed Southerners marching under the banner of the Lost Cause, determined to make a scapegoat of him for the Confederacy’s defeat. The operational concepts Longstreet employed at Second Bull Run and Antietam would be put to devastating effect by the Confederate army in later battles like Fredericksburg and ignored with devastating failure at Gettysburg.

