How did the planting of indigo lead to economic prosperity for South Carolina planters?

Question 6 options:

Indigo required few workers, reducing the money spent on buying slaves.

This planting method gained popularity with planters in the upcountry.

A bounty from the government led to an increase in production of indigo.

Indigo replaced rice as the number one export in South Carolina.

The correct answer is: Indigo replaced rice as the number one export in South Carolina.