Strength: to declare war, and make peace, to coin and borrow money, operate post office, and to detail with foreign countries and Sigh treaties.
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.
If it is the US- it is a democratic republic
False the only reason they had problems was because ppl were in need of jobs and you don't need that many ppl to farm