How did Talladega Superspeedway begin?

It was built as a political favor by William H.G. France to Alabama Governor George Wallace and as a speedway to both expand the empire of International Speedway Corporation and also to serve as an alternate to Daytona Int'l Speedway, which at the time was becoming a source of controversy in Daytona Beach because of tax deals made to the speedway when it was built that some local politicians in Daytona wanted to change - France Sr. wanted a speedway to hold races in case he felt the need to close down Daytona.