posted by Liberty .
Why did public opinion and our government's policies on immigration in general change in the early 1900s?
Liberty, Mark, or whoever --
Please note that we don't do students' homework for them. Be sure to go back into your textbook or use a good search engine. http://hanlib.sou.edu/searchtools/
Once YOU have come up with attempted answers to YOUR questions, please re-post and let us know what you think. Then someone here will be happy to comment on your thinking.