McClellan was a leader of the Union Army.
George B. McClellan was a Union
Union
The Union Commander of the Army of the Potomac at the Battle of Fredericksburg was Ambrose Burnsides
George McClellan
George McClellan (Union) and Robert E. Lee (Confederate).
Union leader: Robert E. Lee Confederate: George McClellan/// Exactly backwards,Union:McClellan-Confederate:Robert E. Lee. Actually, in the Eastern Theater the Union had a crisis in leadership. From the time Lee took command on June 1, 1862 he faced; 1)McClellan 2)Pope 3)McClellan(again) 4)Burnside 5)Hooker 6)Meade and finally 7)Grant while Lee was in command throughout.
The commander of the Unions Army of the Potomac at Antietam was Major General George B. McClellan.
George McClellan
George b McClellan was a Union general. All the generals do is command their troops.
McClellan's Peninsular campaign failed because the Confederate army was defending Richmond better that McClellan anticipated. They retreated, then turned and attacked McClellan, surprising the Union general.
Confederate: Robert E. Lee ,,, Union: George B. McClellan
McClellan