Your ex-husband is not a USC, if souse is legal permanent resident, you can file for VAWA, if eligible.

Parents visiting the US, with an approved I130 can file form I485.

USCIS do not regulate federal taxes. IRS does and tax questions are best directed to that agency. If you meet other eligibility criteria for...

A bank account is not required but recommended. Follow instruction on form I1864.

The legal courthouse will have a step-by-step guide on getting married. Some courthouses may not ask about visa or immigration status.

It is possible, but will never happen.

Apply for a replacement using I90 ASAP. With the filing receipt, get a I551 stamp at your local USCS field office.

The Canadian immigration officials would evaluate your situation and respond accordingly. It may be wise to speak to a Canadian immigration attorney.

It is best to speak to a Canadian immigration lawyer for guidance.

If filling under the 3-year rule, she is not eligible for naturalization. She may apply but N400 will be denied for not living with USC spouse and...