Answer:
D) access to oil fields
Step-by-step explanation:
The most important difference among these countries is the fact that countries like the United Arab Emirates and Kuwait have access to oil fields. While Iran has some access to oil, its reserves are much smaller than those of the other countries. Jordan and Sudan do not have significant reserves of oil. The enormous use of oil all over the world has led to the success of certain regions around the world with large deposits of this resource.