As for forgetting "after 140 years": there were far too many dastardly atrocities committed against unarmed, innocent Southern citizenry, both black and white. To this day, the deeds of units from Ohio, Illinois, and especially the murderous units from Indiana I believe place them in hell for what they did.
Not a lot gets said about this, but there are plenty of records of war crimes upon war crimes by these consciousless, heartless thugs, rapists, thieves, and murderers.
Don't ever forget, Texas (and Louisiana, Arkansas, Mississippi, Tennessee, Alabama, Georgia, Florida, South Carolina, North Carolina, Virginia..) Never forget these murderous devils or their crimes.
Secession? I am still for it. It may take a number of decades to accuate the start of it, but I believe a new country is the only solution to what is left here.