What were the immigration policies during the 1920s?

Question: What were the immigration policies during the 1920s!?
Best Answer - Chosen by Asker:

Extremely restricted!.

1917 - 1924: A series of laws were enacted to further limit the number of new immigrants!. These laws established the quota system and imposed passport requirements!. They expanded the categories of excludable aliens and banned all Asians except Japanese!.
1924 Act: Reduced the number of US immigration visas and allocated them on the basis of national origin!.Www@QuestionHome@Com