USA, it is the most advance country in the world, infect this country is know for his culture, Society and its Freedom.
Peoples are going to work here because of his safe environment and of course its currency.
If you are looking today you are noticed that every country currency are continuously goes down but the USA currency dollar doesn't seem slow.
if you are looking for a safe environment as well as your living standard is better then you have to apply for this visa.
Valid passport with 6 months validity and most important thing is at least two (2) successive empty visa pages