Someone have a research project due at achool?

No the 1040 tax return W-2 is ok. Only need to provide one year of tax but income for 2 prior years in appropriate spots on forms.

The situation will work but the interview will be at a US Embassy outside the US but not in Iran!

You would be better off using a co-sponsor who is a US Citizennor unconditional Green Card holder. The person can be friend or relative but should...

The process is what itbos and you cant change or fight it. During the process you have been and still are able to visit him abroad.

You will need a co-sponsor under the facts when you either consular process or file adjustment of status.

Can be up to 4 months by regulation

Nope - different agency. The social security number will stay with you.

If marriage is valid in country it took place it will be valid here under full faith and credit clause of the constitution

Which receipt number are you putting in? If its the EAD he will get work card. If its the I-485 he will get green card. If Green Card he can keave...