Why were backcountry colonists more self-sufficient than plantation owners?

Why were backcountry colonists more self-sufficient than plantation owners?

A. They had more slaves to help them.
B. Farming along the coast provided everything they needed.
C. Living in the “breadbasket” provided them with enough money from their cash crops.
D. Nearly everything they needed was made at home.

Correct answer is option D. Explanation: Backcountry colonists more self-sufficient than plantation owners because, Nearly everything they needed was made at home.