Musa's spending resulted in gold becoming less valuable in Cairo.
Explanation:
Mansa Musa was a richest person in his time. When he visit to Cairo, he spend a huge amount of gold among the needy people due to which the value of gold went down. After coming from Mecca to Cairo, Musa bring huge amount of gold, scholars and architectures in order to help poor people with his gold, educated the people through scholars and spread Islam and build important buildings for the welfare of people.
Its either a or B but definitely not d. breaking the law is just out of this world beyond doing wrong.i would stick with a if i was you.btw C is wrong. you can only vote once for a president