The Great Depression which also caused the UN economy to fall drastically
This isnt hard at all. Only one of these were in the 60's.
Kennedy is the answer.
-Seth
Answer:World War I
Explanation: World War I, which led many to embrace strong nationalistic and anti-immigrant sympathies;
The Bolshevik Revolution in Russia, which led many to fear that immigrants, particularly from Russia, southern Europe, and eastern Europe, intended to overthrow the United States government;