Muslim traders ventured in the area of Ghana in west Africa. Why did they come so far and how do we know of their travels?

Explanation:

They did this because they wanted to convert them to Islam's religion and to trade. they probably wrote stories and the people that study them probably found them. :)

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."