Answer:Emergency Quota Law of 1921
In 1921, there was a drastic reduction in immigration levels from other countries, principally Southern and Eastern Europe.
Explanation:
Long title An Act to limit the immigration of aliens into the United States.
Nicknames Per Centum Limit Act
Enacted by the 67th United States Congress
Effective May 19, 1921
He believed that humans were created equal with rights.
It was caused by the sharp rise in the price of opium was seized upon by some of the Cohong trading houses and smugglers.