The feature of American geography that influenced its foreign policy was C. Its separation from Europe keeps it isolated.
Why was the U.S. able to stay isolated?
From its independence to WWI, the U.S. was able to remain isolated from European affairs as well as maintain neutrality.
It was able to do this thanks to the fact that it was geographically separated from Europe by the vast Atlantic Ocean.
Find out more on U.S. Isolationism at https://brainly.com/question/20258852.
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