What does Wallace claim is the cause of major friction between the races in the South?

He said the major cause of friction are the immigrants who come into the South and external forces too.

Explanation:

Wallace contested several times to be the Governor of Alabama but lost. He was known as a segregationist and the Blacks didn't like him. He then started changing his ideology about racism and then eventually won.

He said the major cause of friction are the immigrants who come into the South and external forces too. He said the whites and blacks lived peacefully in the past before racism started.