It literally devastated European economy so bad, that they threw out bags of money because it had no worth.
Your answers are a,b,d,and possibly g hope this helps:)
What did Mansa Musa seek to accomplish after his pilgrimage to Mecca?: A Muslim like his royal predecessors, Mansa Musa brought back architects and scholars from his pilgrimage to Mecca who would build mosques and universities that made such cities as Timbuktu internationally famous.
What did he want to do with education, religion, and conquest?:
Mansa Musa established religious freedom. Education was free and encouraged. He even established a university. People came from all over the world to study at this famous university.
The answer is June 11, 2012.
I hope this helps.