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.
Hi there!
The environment and society help study history in so many ways. If you look deeper you can actually see how the environment affected history. As the environment changes, time advances and sometimes you can link why something’s happened due to environmental changes. An example would be an area off the coast of Spain considered the “Lost City Of Atlantis”. Scientists used their knowledge of how society lived their life back then and linked to how the people may have built their city in the most functional way possible.
Hope this helps !
Vaccination to prevent diseases. Vegan diets or whatever diets will not prevent them from having a better immune system to fight off such diseases
#1.<span>Constitutional rights that are only secured for citizens. The most notable of these are the rights to vote and be elected for office.
#2.</span><span>Constitutional rights that are secured for citizens and permanent residents. The common interpretation of the Constitution is that where it says "the people," it usually refers to citizens and permanent residents. An example of such right is the second amendment - "the right of the people to keep and bear Arms, shall not be infringed" (since it says "the people," it refers to citizens and permanent residents, not any other aliens).</span>