Option D- The trade routes led to the adoption of Islam by many in the region.
The expanse of Islamic trade had a direct result on the spread of the Islam religion. Traders brought their religion to West Africa where Islam quickly spread throughout the region. Islam spread through military conquest, trade, pilgrimage, and missionaries.
West Africa forms the westernmost region of the African continent. People have occupied the area for thousands of years, and its population is ethnically diverse though culturally relatively similar. The beliefs of native cultures include Islam, Christianity and various traditional African religions.
Thus, West African culture impacted by these trade routes during the Middle Ages because the trade routes led to the adoption of Islam by many in the region.
Learn more from here- https://brainly.com/question/2848798
#SPJ2