They flew planes over the blockade and dropped supplies to the needed locations.
A triangular slave was the trade in which the Colonies sent Rum and other goods to Africa, from Africa slaves were sent to the West Indies and in the West Indies slave labour would be used to produce for example suger which then was sent back to the colonies.
The correct answer is:
British North American colonies, Africa, and the West Indies
Because their ruler wanted to convert Ghana's ruler to a Muslim.