1823 - The Monroe Doctrine
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James Monroe issued this doctrine stating that any attempt of a European power to return any part of the United States to colonial status would be viewed as an act of aggression. This was in response to the War of 1812 when the British tried to take the United States back. At this point most of the colonies in America had become independent, and the European powers looked to Africa and Asia to occupy.

Chapter 14

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.: 8th Edition :.