For the answer to the question above.
The best answer I can give is letter B.
During the civil war, there was also a competition in the global market on the supply of cotton so Europe sought other suppliers from India and Egypt and this is why the price is down after 1865
As far as the impacts of the pilgrimage go, they are numerous. First, Mansa Musa established his presence for other rulers in Europe and the Middle East. Secondly, the amount of gold they carried and the king’s generosity in its regard expressed his wealthy status. The journey to Mecca had a number of effects on the history of Western Sudan. Most significantly, the pilgrimage journey exposed Mali to Europe and the Middle East. The king had carried 30,000 pounds of gold, which signified the immense wealth in his empire. This created an impression on his acquaintances.
True, Shaka was known for being strong but brutal.