Answer:
Culture
1920 was the period when Progressive movement started to gained its momentum. During that time, most people still mostly culturally conservative. The progressive movement rise the issue regarding people's view on social class and sexuality that challenged the pre-existing belief that Most American had.
Race relations
Race relations during this time period was on all time low. During this time, many States still openly adopted a segregation law, which prohibited African Americans from using the same infrastructure as the White citizens.
Immigration
In 1920s, anti-immigration sentiment started to appear within the people. Many people believe that immigrants were the responsible from the lack of job opportunities that they faced. This led to the creation of The Immigration Act of 1924 which limited the amount of Immigrants that can enter from Asia.
Politics
Republican, who advocated for a more Strict immigration policies rose in popularity within 1920s. They also obtain a lot of support by condemning the activism conducted by the progressive movements as 'Radical' even though it's targeted toward injustices that exist in USA at the time.
Chinese ; it took them longest to get there
Earlier historians did not have as much tech as we do now. Therefore. Modern historians can do more
<span>A.Television programs can be streamed to mobile devices through the Internet. </span>
Many victims of the Palmer Raids treated poorly.
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