Can I qualify for the Deferred Action provision even though I left the US voluntarily from Feb. 2009- January 2013?

No, you needed to be in the U.S. in 2012 when the provision took effect.

Can I leave the country?

You can leave. You will need a visa to return. Unless the R visa is approved, and you obtain it overseas, you will have to wait to come back. ...

I want to bring a kid from El Salvador what are the steps to take? What are my options?

You need to have the child put up for adoption, through an adoption agency, and you can work on getting pre-approved to adopt. See an attorney.

Can I apply for a stay of deportation?

If you have some legal basis, yes.

If you have an arrest during the 5 years statutory period while you are on Green card, does it barr you from getting Naturalized

No, an arrest will not bar you, but you may not be able to establish 5 years good moral character.

It depends on the evidence. Most cases involve a custody dispute or other frivolous allegations against the foreign spouse, which DHS correctly...

I'm 16. Can I return to the USA to visit if I overstayed about three years with my mom before?

There is no bar for unlawful presence before age 18.

Iam an Indian and I have valid L1 visa in US for another 2 years and want to apply for Canadian PR now

It is really up to the laws of Canada. US immigration law does not prevent the Canadian government from according an alien any status they decide.

My Husband filed annulment against me stating I marry him for papers to hurt my citizenship and take my greencard away from me

This is a question for your divorce lawyer. Generally, the petitioner must prove the grounds for the divorce, rather than the defendant disprove...

I have an h1b approved but it wont be in effect until October and I have been laid off with June being my last month.

You have a gap either way. You should try to find another employer for your OPT, or do a STEM extension if eligible, or change status to B1/B2 if...