Here are the rantings of one editorial writer regarding the issue of assimilation:
"Why are tens of thousands of foreigners in ignorance of the privileges and obligations of American citizenship?... Where they are isolated in groups, left entirely to their own devices and not brought into contact with the life of the country, there is little opportunity for the melting pot to reach them."
In 1941, the WPA was given the task of instilling patriotism in the new immigrants - click here to read about it.
Read the films that were made in order to assimilate 1920s immigrants.