What is the connection between the orka and slave trade?

Slaves in South Carolina commonly prepared the seeds of the Okra plant as a coffee substitute. Its leaves were also used medicinally as a softening ingredient in making a poultice, which is a warm mixture of bread or clay that can be applied to aching or inflamed parts of the body.

i would think it's industries and hydroelectric power

answer; i believe the above statement is (true);