Due to the hispanic immigration and population growth
See I can't say what it is but I think its A
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
A major reason for Japan's policy in Asia was to obtain natural resources.