The plantation system in the Southern colonies led to: A. debtors being forced to leave for other colonies. B. fewer cash crops being planted on farms. C. Quakers becoming the largest religious group D. an increase in the African slave population.

The Southern colonies depended on slaves to work in cotton plantations.
For the plantation owners, slavery was the backbone of the economy of the South.
The plantation system was able to flourish with the arrival of slaves from Africa.
Slaves were considered to be commodities as they were sold and brought in the auction.

Therefore we can conclude that the slaves played an important role in the plantation system.

Thus option D. is the correct answer.

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The plantation system in the Southern colonies led to: A. debtors being forced to leave for other colonies. B. fewer cash crops being planted on farms. C. Quakers becoming the largest religious group D. an increase in the African slave population.​