This site should get you started on your research.
http://www.umass.edu/complit/aclanet/USMigrat.html
I need to present the most important facts about immigration in the 1920's. i.e. what acts where passed, who was for/against it, did immigration increase or decrease, etc. About 7 facts, no more than 10 -- this is for a "teach the class" assignment.
2 answers
Thank you!! It helped a lot!