The answer is d because access to job opportunities is a pull factor
Because they believed in hitler and him being right about what he believed
It is not clear what your your question is about. But I guess that you mean the motion picture which name is Mr. Smith Goes to Washington. So I am completely sure that this question should be answered like this: Senator Paine has managed to stay in office for 30 years, because he compromises and takes the advice from Jim Taylor.
We dont and shouldnt. A society that resists multicultural influence is a crippled society. Combating racism and intolerance can only be effective if we all work together to make it happen.