Praxis II World and US History Exam Prep

Answer - B - After Islam expanded into West Africa, trade greatly increased.

Key Takeaway: Mansa Musa, a man of great wealth and power, helped to bring Islam to Mali in the mid-1300s. The great wealth that he had displayed on a pilgrimage to Mecca supposedly brought the prominent Muslim leader Ibn Battuta to visit Mali, thereby bringing his belief system. Mansa Musa opened various trade routes between Africa and the Islamic world. This greatly increased trade between West Africa and the Islamic world.