Effect of different types of slaves on the economics of the South

Slavery and the South…Slavery had many levels, job roles and ties to the economics of the South. Using your book, films, and internet resources can you describe the different types of slaves, how they effected the economics of the South and what impact did they have on the nation’s financial success?

Initial post of at least 300 words
Useful link: http://www.youtube.com/playlist?list=PLPBnUkEpnBZU0YHWkqaAkfZLW2OD-k9P4