The United States had reverted to a policy of isolationism, and therefore remained neutral.
Is this a trick question. JK. The answer would be d.
<h2>Answer</h2><h3>The caste system originated in our society depending upon the type of work and the nature of persons. This has reflected as class system in many other societies. However the caste system in the course of time became hereditary irrespective of one’s nature and the type of work a person undertakes.</h3>
I'm guessing that they fought against forces, like the people trying to steal land so they could have enough space to live, farm, and hunt.
I also think that the Native American could have traded or given valuable items to the people who were trying to take their land in exchange for the Natives to keep their land.
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By the time Rome was emerging as the great ancient Western power Babylon was practically in ruins.