1st. Tourism
2nd. Oil and Gas Production
Recognizing your "Feelings" is an important step in minimizing debilitative emotions.
Most likely A because immigrants had the advantage of Settlement Houses. Settlement Houses were places of not necessarily refuge, but of shelter and protection where they were taught by Americans themselves about the culture and ways of the U.S. I'm sure they learned things from other immigrants here and there, too, but culture classes were what they write about in textbooks.
I think the answer would be C. y