Which of the following best characterized american foreign policy during the 1920s and 1930s?
a) strict isolationism
b) cooperative internationalism
c) limited internationalism
d) moral internationalism
e) limited isolationism

The best description of American foreign policy during the 1920s and 1930s was called strict isolationism - a. 

This doctrine dictated that the United States wouldn't interfere with the policies of the nations that sorrounded them. Neither would they interfere with the way how the countries were being run. This policy has since been changed into a more imperialistic one.