OK, that's a (literal) LOL moment. How in the hell did you get that?!! The fact is YOU conceded the point "Perhaps you don't argue with any, but in my experience, they never cease...blah blah blah"
You're a strange one.
Okay, now you seem to be introducing ambiguity into your position, so how about we just clarify it?
Did the Union fight the Civil war for the express purpose of ending slavery?