How was the Kingdom of Ghana able to maximize profits from the trans-Saharan trade in gold and salt?
A.
Ghana controlled all of the salt mines in the region and demanded a high price for the resource.
B.
Ghana controlled all of the gold mines in the region and demanded a high price for the resource.
C.
Ghana controlled the roads over which trade passed and taxed the goods passing through the empire.
D.
Ghana controlled the seas on which trade passed and demanded high fees for the use of the empire's ports.