That refers to what the "new" types of immigrants were called after. The "old" immigrants were usually opposed to these "new" immigrants that came after the World War II, even though they were once immigrants themselves.
An immigrant can get another sponsor if the sponsor if the immigrant is on H1B. But the new sponsor need to file a new H1B for the immigrant.
WHEN THEY GET A PASSPORT AND PAPER PERMIT
The appropriate term is an Irish Pub, and most cities in the US have at least one Irish-Style Pub, particularly in areas with a significant Irish Immigrant Population (New York City, Boston)
changes to the immigrant culture.
immigrant
Your question reveals an unconscious bias. You said,= "How can a US citizen sponsor an illegal immigrant...." = If you "sponsor" them, they are not an "illegal immigrant." Careful, the way your question is phrased says a lot about you. The very term "illegal immigrant" is insulting to ....migrant workers, especially. Mexican citizens surely don't like the phrase and, by the way, Superman was apparently an "illegal immigrant" and you SURELY wouldn't want to insult HIM.
Stay is the best help one can get. Apart from that, it's about getting accustomed to the new lifestyle. Just spending time with the new immigrant will help a lot.
The largest immigrant group in the US are Mexicans, of which about 800,000 Mexicans migrate to the US every year.
No. An adult cannot adopt another adult.
The Estimated Mexican Immigrant Population in the US by 2012 is 420,420 immigrants. :)
Mexicans
Since everyone who is not a native American or a visitor is either an immigrant or part of the family of an immigrant, I would say the answer is the most populous U. S. city, New York.