I urgently need you to check these few sentences, Writeacher. Thank you.

1) What did the U.S Immigration Restriction Act prohibit (Can you help me find a synonym?)
It prohibited the immigration of those with hereditary illnesses and entire ethnic groups.ù
2) What kind of laws did the Germans enact when Adolf Hitler came to power?
They enacted compulsory sterilization laws partly based on the U.S. experience.
3) The Germans installed a program of eugenics based on the U.S. experience.
4) Outline the main difference between concentration and extermination camps.
5) She isolated herself from the outside world and chose a life of reclusion.
6) Get washed and dressed quickly because we must be downstairs in five minutes' time!

1) What did the US Immigration Restriction Act of 1924 prohibit. (Can you help me find a synonym?) Synonyms: preclude, prevent, forbid, outlaw

It prohibited the immigration of those with hereditary illnesses and certain, entire ethnic groups.

2) What kind of laws did the Germans enact when Adolf Hitler came to power?
They enacted compulsory sterilization laws partly based on the US experience. You have me there! What was "the US experience"?

3) The Germans installed a program of eugenics based on the U.S. experience. <~~??

4) OK

5) She isolated herself from the outside world and chose a life of seclusion.

6) OK