Which accurately describes aspects of the Trans-Saharan Trade in the 1400s between Europe and Africa?
a. The Trans-Saharan trade included tobacco and sugar, which were purchased by Europeans in exchange for steel weapons.
b. The Trans-Saharan trade included copper, which was sold to Muslims along the Silk Road by European merchants.
c. The Trans-Saharan trade included many sought-after teas that Europeans purchased from the Sahelian Kingdoms.
d. The Trans-Saharan trade included slaves as a primary commodity, with slavery being permitted by Islamic practice.