Answer:
Option: C. Gradually restricted until slavery was both a permanent and hereditary condition.
Explanation:
The rights of Africans in the British Southern colonies were restricted as they forced to work in the fields for cash crops. The production of the cash crops in colonies was highly profitable for both planters and British as they helped in fulfilling the supplies of the commodities. Africans mostly used in plantations where they were under the watch of overseas and beaten for disobeying.
