Answer:
The Sahara Desert
Step-by-step explanation:
Cultures developed differently in North Africa than in the rest of Africa because of the Sahara Desert. The Sahara Desert has acted as a natural barrier in Africa which resulted in the diffusion of Middle Eastern culture in North Africa, while Sub-Saharan Africa maintained a variety of traditional cultures until the beginning of the Slave Trade and imperialism practiced by Europeans during the Scramble for Africa