@cassolotl mentally overlay states that were in the confederacy in the civil war - https://i0.wp.com/images.mapsofworld.com/answers/2017/05/confederate-states-america.gif?resize=660%2C500&ssl=1 - and it becomes really apparent what happened.
this is also good motivation to not let people write off the south as a shithole that just needs to be purged. there's major racism at play when people do that, especially when it comes to "well they voted for trump so i get to laugh at them dying in a hurricane" and such (not taking into account how many black people are disenfranchised).