Answer:
The correct answer is - Use of enslaved persons from Africa
Step-by-step explanation:
The southern colonies are known for their agriculture as these are known for their cash crops that economically successful to the colonies due to their Fertile plains and long summers which allow the owners to grow plants like tobacco and other economically important.
These colonies required more agriculture workers to work in their fields which led enslave African people and bring them to these regionS and force them to work fields.