Which region of the United States had an economy based primarily on plantation agriculture and slovery? West North South Midwest

The region of the United States that had an economy based primarily on plantation agriculture and slavery was the South. The Southern economy relied heavily on the cultivation of cash crops such as cotton, tobacco, and sugar, which were grown on large plantations using slave labor. This system of agriculture and labor was a significant factor in the economic and social structure of the South prior to the Civil War.