McClellan's reluctance to press his enemy aggressively was probably not a matter of personal courage, which he demonstrated well enough by his bravery under fire in the Mexican–American War.
McClellans tøven overfor at presse sin fjende aggressivt var formentlig ikke et spørgsmål om personligt mod, som han havde demonstreret tilstrækkeligt overbevisende under ild i den Mexicansk-amerikanske krig.