Genetics, eugenics, and the Immigration Restriction Act of 1924.
D001208:Asia; D004641:Emigration and Immigration / Q000266:history*; D005006:Ethnicity; D005053:Eugenics; D005060:Europe; D005823:Genetics; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007878:Legislation as Topic; D044469:Racial Groups; D014481:United States