The Aztecs used aqueducts to carry fresh water
Four reasons that the US switched from isolationism to imperialism were as follows economic, social, political and lastly religious motives.
Explanation:
Economy was the main cause that lead to imperialism , Americans understood that new markets are required for the export purpose. Second cause was social and moral motives that is the Americans understood that western ideas should be circulated mainly they circulated ideas related to medicine, law as well as religion. Political was also important cause that lead to imperialism that competition took place so that new colonies can be formed.
A) Most African Americans in the South remained desperately poor.
There aren't any large cities in the Southern Part of the Arabian Peninsula due to the Arabian Desert.
Arabian Peninsula is the largest Peninsula in the world and is made up of Saudi Arabia, Yemen, Bahrain, Qatar, Oman, Kuwait, UAE. It also includes some parts of Iraq and Jordan.
However, in modern times, Saudi Arabia covers more than 60% of the land area.
The area has always been sparsely populated, especially in the south as you go deeper into the Arabian desert.
It is a harsh climate and a difficult terrain, where it is not easy to grow food. Hence, the area is mostly made up of small villages and towns.
