How did the national origins act of 1924 affect immigration?

Answer:

National Origins Act of 1924 put quotas on immigration as a result of the 1890 census, based on only European and Asian immigration. It stayed in effect until after WWII.

First answer by Kharrima. Last edit by Kharrima. Contributor trust: 967 [recommend contributor recommended]. Question popularity: 2 [recommend question].