How did slavery support the class structure in the south?

the answer is  

Slaveholders enjoyed a privileged lifestyle because of slavery.

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).

missouri compromise of 1820 which prohibited slavery