please generally describe the domestic slave trade in the United States beginning around 1800 which continued through to the Civil War. Be sure to concisely address Why was there such a tremendous demand for slaves in the Deep South that had not existed before. Thank you super much for taking the time to answer this means a lot thank you

please generally describe the domestic slave trade in the United States beginning around 1800 which continued through to the Civil War. Be sure to concisely address Why was there such a tremendous demand for slaves in the Deep South that had not existed before. Thank you super much for taking the time to answer this means a lot thank you