The correct answer is B. It was a trading hub located between North Africa and West Africa.
Step-by-step explanation
Due to its location in the northeast of Africa, Timbuktu was one of the most important commercial centers after the 12th century, because it allowed the meeting of western Africa with the nomadic populations of the Sahara known as Berbers. It is also known that it was a key point for trade through the Sahara desert from the north coast to the interior of Africa. Additionally, it is located near the Niger River, allowing commercial displacement by the river and trade of products such as salt, gold, fruit, and fish. But besides being a trade hub Timbuktu became an important cultural and learning center as in its Golden age multiple Islamic scholars arrived and event Islamic Universities were founded. Then, the correct answer is B. It was a trade center located between North Africa and West Africa.