This is worldwide accepted that USA is a land of opportunities and people from different countries and with different backgrounds comes to this place to grab those opportunities and make big money. This country welcome talent and appreciate bright people whether the are coming from any part of the world and that is what attract other country men to come here and complete their high education and then look for job opportunities and work for this country. This country has provide employment to many people and still working hard to make this place best available resource for any one who wants to make big in life and wants to contribute to the betterment of human kind.