immigrating to the US

http://www.thegramblinite.com/sports/why-do-immigrants-come-to-united-states-of-america-1.24479#.T5n4K3huG5R

By: Elizabeth Arizaga
Published: Thursday, November 16, 2006
Updated: Wednesday, June 29, 2011 


This is a reliable source because i read information in this article that i had read previously in a book and so i know it is pretty reliable.

Why do immigrants come to the United States of America?
- to live in freedom
-practice religion freely
-escape poverty or oppression
-to make lives for themselves and their children better
-employment opportunities
-prosperity
-they are a plus to our economy...add about 10 billion dollars each year to our economy