Answer:
to give their children a better future
to search for freedom
to enjoy democracy
to have more economic opportunities
Explanation:
Take the current state of Venezuela, for example. It's a bankrupt totalitarian dictatorship. Anybody who flees that country and goes to the U.S. will enjoy Democracy, Freedom, more economic opportunities, and consequentially, give their children a better freedom. So yes, people might go to the U.S. for all those reasons.
