The correct answer to this open question is the following.
Although there are no options attached we can say the following.
To what extent was the United States politically isolated from world events during the 1920s?
After World War I, the United States federal government decided to continue its foreign policy of isolationism. These are my two examples as evidence.
The first one, the US did not accept to be part of the League of Nations, formed by many countries after World War I, as a way to maintain world because and avoid another world war.
The second one is that the United States tightened its immigration policies and reduced authorization for Chinese, Japanese, and European immigrants.
