I was going for the whole (D-MS) thing. The economics of south is not a problem caused by the modern Republican party nor by Jeff Davis.
Montana has a buttload of poor Indians on reservations and West Virginia has been in and out of coal depressions as one big single industry state with little “easy” land forever
Democrats don't help but that is as much a symptom as a cause
There are almost no GOP run major cities anywhere anymore...not even Dallas....which runs much better than say Memphis....both Dem cities