As far the the US is concerned, yes. I can't speak for Cuban laws.
yes. it can, but not always is.
no, only us citizen can help for permanent resident
Yes They Can
by legally marrying that us citizen or print a form from the internet requesting to be a permanent resident
a legal alien cannot vote or sponsor people over to the US and they need to have a permanent residents card in order to work and travel within the US. A natural born citizen is some one who is born in the US and is a American citizen. They can vote, sponsor relatives over, etc.
Yes.
I'll get my driver's license after I become a legal permanent resident.
No, as long as you have proof of legal stay in the country and you are a permanent resident of a certain state.
Not automatically. After being married to a US citizen for two years the legal foreign national spouse can apply for citizenship. Visit the United States Citizenship and Immigration Service website for specific information.
You must immediately apply for a permanent resident status.
iam an American sitizen,but my spouse is illegal resident. how can i help her get lawful papers?
Yes. You are knowingly harboring a criminal.