Because economy within a certain region will be heavily depended on what resources that are available in that region.
Since the Arabian Pennisula do not possess a good climate to produce agricultural products, it's almost impossible for agricultural sector to flourish in this region, and therefore they focused their economy on things such as oil, silk, zaitun, etc.
B. He graduated first in his class at West Point academy
The Framers did not so much divide powers among the branches as they required the different branches to share power, resulting in a complex system of checks and balances that prevents any one branch from gaining power over the others.
Explanation:
Consumption levels are remarkably the same around the world. False