Briefly explain one similarity between United States foreign policy in the 1790’s and United States foreign policy between 1919 and 1940

The main similarity between the American foreign policies during the 1790s and after World War I, is that they both favored isolationism. ... It is possible that without Pearl harbor, the US would have delayed its entry into WWII for a few more years.

Explanation:

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

which time period is this? or is this story fictional, i'm going to need more info to answer this question