After World War I, the US was gripped by fears of communist and anarchist infiltration. Pressured by Congress, the Justice Department launched massive raids—led by Attorney General A. Mitchell Palmer—targeting communists, anarchists, and foreigners. More than 10,000 people were arrested and hundreds were deported, some for membership in Communist or left-wing groups, others on no greater pretext than that they looked or sounded foreign. What non-event effectively ended the Scare in 1920? Discuss