What Was the Progression of the Slave Trade in the American

What was the progression of the slave trade in the American colonies over the course of the 1700s?

A) Slave imports to the Chesapeake increased, as tobacco markets flourished, while the slave trade plummeted in South Carolina.
B) The slave trade became an important economic activity throughout the colonies.
C) In the Chesapeake, the slave trade became less important as the slave population increased naturally, while Deep South planters remained dependent on the slave trade.
D) Slave traders shifted their focus to importing female slaves, to better balance the slave population.
E) The slave trade withered away because it had become unprofitable.