Snarky remarks don’t make it any less true.
I tire of silly southrons trying to revise the truth of what their ancestors were really fighting for.
Whatever your ancestors' personal motives may have been, the fact is that at the "national" level they were actually fighting for the right of some people to enslave others.
As the gentlemen of Mississippi put it:
"In the momentous step, which our State has taken of dissolving its connection with the government of which we so long formed a part, it is but just that we should declare the prominent reasons which have induced our course.Our position is thoroughly identified with the institution of slavery - the greatest material interest of the world...."
[emphasis mine] There's more where that came from.
Stow your fairy stories, and be ashamed of what your ancestors were defending.
Posting false information and claiming its fact doesn't make it true to begin with. Fact: Lincoln never ordered the arrest of the Maryland legislature. Not in the spring of 1861. Not ever. Fact: members of the Maryland legislature were arrested in September 1861 for proposing to take Maryland into the confederacy. Since those states were engaged in armed rebellion against the U.S. at the time, the suggestion amounted to treason, so what did they expect? As it was, the legislators were jailed briefly and got off easier than they deserved.