The second flowering in Islam in the fifteenth centruy saw the spread of Islam to southest Asia
As what the map shows, one of the geographical features of West Africa is the Sahara Desert. Sahara Desert is the largest hot desert in the world. Camel caravans are important innovation in trade in West Africa because camels are the only animals that can withstand the hot temperature of the desert while carrying goods, and without food and water. The fat in the camels' humps gave them the energy to walk the desert even without food and water. The camel caravans made the West - North Africa trade possible, establishing trade routes across the hot desert.
Comparing goverments/Civilizations comparing whatever is different
The answer you are looking for is B
Let's make this very simple.
B. They traveled on foot while hauling their belongings.
Hope this helps! Have a good rest of your day!