Yes and no. Yes you can apply for citizenship if you've been a permanent resident for 5 years (3 if married to a US citizen), but you're going to...

You will have to rebut the legal presumption that you misrepresented your intentions at the time you entered the US which can be difficult. Why...

It's not that difficult to get a Puerto Rican birth certificate. If he doesn't have the necessary ID he could hire an attorney to obtain the BC...

I don't think you'll need a new interview. They probably just want to make sure the information on the DS-260 is still accurate.

I don't think that should be a problem but I've also never heard of that happening. Good luck

You can adopt your niece but you won't be able to bring her to the States until you have lived with her for two years. This could be problematic....

This is a basic contract question. Talk to a contracts lawyer. It all depends on what the contract says. For instance, it might say that you give...

I think you can. I've seen it done. But why would you?

She can if her parents give her permission. If they don't, you could have an uphill climb to obtain custody of the girl. You'd have to file that in...

File a Contempt of Court motion ASAP.