History of South America

Example of the growing anti-immigrant sentiment that spread throughout US in 1920s?

The Immigration Act of 1924:

Also known as the Johnson-Reed Act, this was a landmark legislation that severely restricted immigration to the United States. It set quotas for each country based on their national origin, effectively favoring immigrants from Northern and Western Europe while significantly reducing the number of immigrants allowed from Southern and Eastern Europe, as well as Asia. This law reflected the prevailing nativist and anti-immigrant sentiments of the time.