You did not indicate your immigration status in the U.S., including how did you get a social security number and work permit?

I suggest you simply send them an email asking to withdraw the application and to return your passport.

There is no rule against you entering the U.S. as a B2 visitor if the U.S. consular office did not revoke that visa. The purpose of your admission...

Contact customer service and request a "service request" and if needed, an infopass appointment. Perhaps they can issue you a document or stamp at...

No, there is no visa category for mothers in law of U.S. citizens or permanent residents, so you cannot file any visa petition for your mother in...

If he has had the green card for three years, and has been living in the U.S. with his USC spouse that whole time, he can file for naturalization.

You cannot get a visa before it is available so no, she cannot immigrate any sooner than when the priority date is available.

If you can file it on time with proof of joint ownership of the home, it would be great evidence in support of your case. Make triple sure there...

You should be able to get her travel information immediately at the CBP website, without needing a FOIA. Or you can do your best to reconstruct...

It should have no impact at all on getting an H4 extension of status, unless, perhaps the issue is accumulating over six years in H4 status.