eugenists believe so-called defective should not be allowed to reproduce. >> sterilized women who were thought not to have the right kind of women. thousands of women were sterilized as the fake science became a national craze. the eugenics movement decided it was time to bring its research to capitol hill. >> people from italy and poland and these countries were genetically inferior to the northern european and the area of anglo-ax ssaxon. a new immigration law was delivered. >> they shut the door and red e reduced immigration to the united states by 97%.