A motion to reopen might work, or CIS can say that you did not comply with the request, and no explanation for the delay, so there is no basis to...

He can try to file an application for a nonimmigrant visa to come visit you. But as far is immigrating to the U.S., it appears he is barred for...

Send them a letter, or if you wish send an i-751 and pay the fee. USCIS has had serious issues with this as long as I-751 have existed.

There is no federal immigration law that determines whether you can work as a notary. Check your state laws.

Your birth certificate, which lists her name, should be adequate proof she is your mother. Regardless, if she is coming to the US. to visit you ,...

Overstaying is not a bar to filing for reinstatement of F1 status. If the school DSO agrees, you should file for that.

It will affect the interview. You will want to have ready proof you are supporting your spouse and children.

There is normally no interview for an I-765, which is an application for a work permit. Security clearances are unpredictable.

Anyone in Nicaragua who wants to visit the U.S. is free to file an application for a visitor's visa, including to visit their parent who is living...

You should list the address where they will be living when the application is approved. So if they are leaving the U.S. and getting the visa...