You are best served consulting with a family law attorney for guidance.

No not based on the fraud marriage.

I agree with my colleague about contacting your state senator’s office.

You should continue to wait if case is within processing time.

That is unlikely given more than one year absence from US.

Yes you may travel for this short duration while the case is pending.

This is not abnormal but you can contact USCIS to inquire.

Yes you can enter your most recent issued passport for this purpose.

No this is not authorized but you can change status if applicable.

You can indicate your most recent passport for this purpose.