Talk politics.

Perhaps in your world. What your snippet does not note is *why* those states seceded, and the Confederacy seceded over slavery and dragged in those four northern border states by firing on Fort Sumter. That they dragged them in is how West Virginia came to be and why those states all had mini-civil wars in the bigger war. But what's a matter of detail or simple fact for a good one-liner? A fact would require more than one sentence, after all.