What was the quota act of 1924 (first introduced in 1921) designed to do?
end the importation of enslaved africans
improve the literacy rate among immigrants
increase immigration from asia and latin america
increase immigration from southern and eastern europe
preserve the anglo-saxon, protestant character of the united states

The Quota Act of 1924 was designed to preserve the Anglo-Saxon, Protestant character of the United States.

Explanation:

The Immigration Act of 1924, also known as the Johnson-Reed Act, was a federal law passed on May 16, 1924 in the United States of America to limit immigration. This law was much more restrictive than the Emergency Quota Act of 1921 by banning entry to the entire Chinese population and extending restrictions to other Asian immigrant groups, and to a lesser extent , to people from Eastern and Southern Europe; on the other hand, it did not apply to persons originating from the American continent.

the answer is "by providing data about careers and annual mean wages"

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the problem not the