After World War I, most Americans wanted the United States to follow a foreign policy of

When WWI ended, President Wilson, like most Americans, wanted to see the U.S. return to a policy of isolationism in foreign affairs.

Explanation:

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answer; i believe that the correct answer is (scientific approach)

the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.