"However, the Slavers' themselves made it very clear in their writings and statements what the War was about."
I suppose all the backcountry farmers, who had never even seen a black person, fought and died for slavery then. You've obviously got a vested interest in maintaining the triumphalist historical fiction written by the victors of that war. You cling to your illusions, and I'll deal with what I know from my own family history, OK?
Many of the "backcountry farmers" were drafted into the Southern army or pressured into joining (big slavers were exempt) and that was why so many deserted at the first opportunity. Desertion was a chronic and big problem for the CSA.
Over 100,000 white Southerners fought to preserve the Union under the Stars and Stripes. Most of the regions without Blacks: E. Tenn, W. Carolinas, N. Georgia, NW Ark and N. Alabama never supported the Secession and had to be occupied by CSA armies. They quickly and irrevocably were rejoined to the Union when the armies appeared providing it with recruits ready to fight.
My education as to the facts of the RAT Rebellion began as a typical Yankee-hating southern Arkansas boy so save your nonsense. It has no application to me or my knowledge. Although little can be expected from the viewpoint of Losers.
Most of the common people fighting for the CSA were uneducated, and ignorant of the real events going on about them believing instead the propaganda of their Ruling Class. Nothing particularly unusual about that since tyrants and tyrannies commonly dupe millions to follow them even when against their true interests.