L1B Visa - Marital status?

Your marriage has nothing to do with your L1B, you dont need to show proof that you have ties with your country as you have to in getting B2 visa...

Who has L-1? Your spouse? L-2 is dependent of L-1 therefore cant have work permit only L-1 principal beneficiary has EAD, dependent cant get EAD

Is Affidavits sworn a requirement as supporting document for filing I-751? Can it be written by non US citizens?

Affidavits must be notorized, anybody can witness your relationship not only US Citizens

How long do I have to apply for my immigrant Visa/greencard if my i130 is approved and my priority date is current?

When your priority date is current and 10 year passed your brother will start process with NVC and you will be able to get a visa. 10 year runs...

E2 visa denied and i94 expired so can they deport me and my family or if i file I290B can we stay legal end of the decision

You can file for appeal, you better hire immigration attorney who will help you to file for appeal and give you accurate advise, its a lot of...

Does section 16 in form I 130 only pertains to US immigration proceedings?

in US

Marriage Fraud

You cant get a define advise on AVVO because attorneys dont know all the details of your case.

Can getting married in 5 months help prevent deportation?

Mr Abbott gave you excellent answear to your question.

Is it true if you are illegal & you have been convicted with 2 drug charges you can not get your greencard?

Yes 2 drug charges you cant get green card but you better speak with immigration attorney who can examine all the facts of your case.

On visa bulletin catagary

F2A