Answer:
Europeans explored and claimed that more and more land was there. They had to make relations with people who were already in the Americas and try to find a way to conquer them and claim that land theirs.
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George Washington had warned the American people against “the insidious wiles of foreign influence.” President Monroe, writes Arnold Whitridge, further developed “the thesis of non-entanglement.
They were mostly self employed
It promotes a good image and will easily and peacefully resolve contact