Explanation:
There are many different trains of thought that lead Americans to their own mindset about the aid of Middle Eastern independence. Generally speaking, there are many people who believe that the United States should be the Police of the world or the hero of smaller countries and help them since they have the power to do so. Others believe that the United States has no rights of interfering in foreign affairs and should mind their own business. There are those who just don't agree with the idea of sending kids to die for other countries as well, no matter why.
It was primarily the Industrial Revolution that caused the nations cities to grow in population at the end of the nineteenth century, since this brought about the creation of a massive amount of factories, all of which required large number of laborers who almost all lived in the cities.
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https://www.cliffsnotes.com/study-guides/geometry/fundamental-ideas/postulates-and-theorems