"Battle of Fredericksburg History". Fredericksburg & Spotsylvania National Military Park, Virginia. National Park Service, U.S. Department of the Interior. Retrieved 18 July 2016.
McClellan was considered a great organizer but a poor choice for a battlefield commander.[3] He was too cautious and generally moved his army at a snail's pace.[3] His delays usually gave Confederate Generals ample time to retreat or regroup.[4]