Answer:
Although initially disregarded by the great powers of Europe, the Monroe Doctrine became a mainstay of U.S. foreign policy. In 1823 U.S. President James Monroe proclaimed the U.S. protector of the Western Hemisphere by forbidding European powers from colonizing additional territories in the Americas.
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And two people who have power over you are your parents and your teachers/principal
Muhammed Avdol from Jojo's Bizarre Adventures
I believe the answer is C. the Jamestown settlement. If not its D.