How did enslaved persons help to grow the colonial economies and explain why A. Developing new land
B. by producing art and music
C. by producing raw material's
C. by producing manufactured goods
ALSO!!
which of the following is the best explanation of why cotton was grown in the southern colonies ? and explain please

economic competition is inefficient and wasteful.good luck

explanation:

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

d. promised it other land