One of the groups that opposed the king during the English Civil War was: A. the Roundheads.
B. Parliament
C. the Puritans.
D. All of the choices are correct

D I the correct answer of this question

- "made the south's economy grow rapidly and a small effect that a lot of people don't know is that it made the more demand of slaves and cotton products. and also new states formed due to plantations growing in size."

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your answer will most likely be a.