In order to protect the south’s way of life, the southerner nationalists created what?

I think the answer you're lookin' for is the CSA, the Confederate States of America however this only applies if we're talking about the Civil War. However another possible answer to your vague answer could be the Klu Klux Klan. 

I hope this helps.

Sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532. i found this information on wikipedia