You forgot Wyoming. Which, until the treaty of Guadalupe Hidalgo, parts of which were in Texas, including the capital city of Cheyenne.
No it's not...it's the beginning of a movement.First Texas...then (among others) Georgia...Tennessee...Nebraska...Oklahoma...South Carolina...Alaska...Kansas,maybe even Missouri,Indiana,North Carolina...
And the list goes on.
DC would go to war again to prevent secession by heavily black Deep South states, protecting minorities and all.
The central part of the US - TX, OK, KS, NE, SD, ND, MT, WY, ID, and UT might be more likely.
Pure fantasy.
You forgot Wyoming. Which, until the treaty of Guadalupe Hidalgo, parts of which were in Texas, including the capital city of Cheyenne.