Answer:
Water
Explanation:
Water is essential to human life. Hence, human settlements tend to crop up near water sources such as rivers. This is particularly evidence in Africa, which has many quite dry regions.
Answer:
Arabs, Islam, Arabic
Explanation:
In Southwest Asia and North Africa, Arabs are the dominant ethnic group; Islam is the dominant religion; and Arabic is the dominant language.
Basically it would mean that there isn't enough space for people to move into which means the economy takes a poop and overpopulation happens and spacial inequality becomes a thing.