When veterans (yankee and rebel) of Gettysburg would meet at reunions many years later, the old coots would start going at each other with their canes. Now, you tell me, in such an instance were they fighting over slavery?
Not at all. They were fighting old battles. If you watch the magnificent film “The Red Badge of Courage” (which unfortunately was tampered with by the studio) directed by John Huston, you really see how the two sides interacted during the taking of prisoners scene. Poignant and funny - and no, a high-toned conversation about slavery is not included. Perhaps Michael Medved gives it two thumbs down on that basis!!
And for those who attack me for using fictional sources: tough luck. Good fiction always reflects reality and while it may tell the truth slant, it does tell the truth.