Show his support for the movement. If I remember correctly he wanted everyone to be equal
Irredentism
"Irredentism is any political or popular movement that seeks to claim/reclaim and occupy a land that the movement's members consider to be a "lost" territory from their nation's past. Wikipedia"
People started moving towards the South in the second half of the 20th century mostly for economic reasons. Southern states had cheaper standards of living and you could find a home easier and a job. The expenses were not as high as they were in the northern countries, mostly those in the north eastern part of the US.