I'm going to go with John Locke, not to sure though you should double check to make sure because I might be wrong.
<span>B World War 2 began.</span>
Answer: There was fear and prejudice towards the Germans and Communist and that expanded to include all immigrants. They signed the Emergency Quota Act, which limited immigration: only allowing a certain percentage of ethnic groups into the united states.
Answer:
The Bombing Of Pearl Harbor
Explanation:
In 1941 isolationism was put mainly to a stop when japan bombed pearl harbor. Many Americans felt outraged and angry, many activists for isolationism now supported the war effort like Charles Lindbergh.
(I studied this topic for NHD)