What did the rejection of the league of nations, the higher tariffs imposed by the fordney-mccumber act, and the emergency quota at all point to during the early 1920's?

For the answer to the question above, the rejection of the league of nations, the higher tariffs imposed by the or deny-cucumber act and the emergency quota act all point to America's desire of isolationism during the early 1920's.

The American foreign policy of Isolationism in the 1920's was a diplomatic and economic doctrine that aimed at self-advancement to make the United States economically self-reliant and retaining peace with other nations.