Albeit this is a basic answer, World War Two was a major catalyst to an increased focus on internationalism. In addition, financial and political interests (most notably for political interests is the Cold War) are both legitimate reasons to why the United States of America has remained as a major part of international affairs.
A reason could be that trading food wasn’t that popular at the time seeing that you only needed to grow food for your family
Answer:historian's
Explanation:
Took the test and put this as the answer and got it correct.