About the Immigration all over world
In nowadays the immigration is very common in the world, but especially in those countries which have a strong economy. We all know that, at least in America, there are a lot of legal and illegal immigrants. But the question is: should the illegal immigrant be allowed to stay ?

Despite of , what directions the people come from( legal or illegal), the most of them want to stay, and why not, forever in America. But, based in our experience, their drawback is that they don’t feel free which means they can’t work and study, they can’t have medical insurance and it leads they have hard time staying in USA.
What about under conditions the immigrant should stay?

Then, legal immigrant should pay taxes, while illegal don’t, but what is important is that for America’s economy is a harmful, anotherone, once somebody make a crime is very difficult to find that criminal.

As a conclusion, American's government is interested all immigrants in USA being habilitated with all necessary documents that is needed for any independent American citizen. This enable that authorities to take controll on all people that are involved in crime.

To avoid those troubles or issues, the USA government apply a lottery for all immigrants want to enter and live in America.