Answer:
The Monroe Doctrine was created in 1823 and would influence American foreign policy for the next century is explained below in details.
Step-by-step explanation:
The key feature of the Doctrine was to isolate the impact in which The United States and European governments would have. Europe would have no interference within the Western part of the world and likewise, the United States would not grow involved in European matters., the Monroe Doctrine prevented European intervention in the American region but also affirmed the U.S.