It is normal. It is not up to the embassy, the State Department determines the priority date in order to make sure that there are not more visas...

It is a new EAD since it is a different category of eligibility in all likelihood. Your alien number should not change.

You could ask them to send you their birth certificates. If you can't get them, try filing without your children's birth certificates.

It's up to you. I do not see what the CIS officer can do with that information. If you have a new address, you can file an AR11. If you have no...

It seems to me that getting US government benefits while you are living outside of the U.S., and while you are not a U.S. citizen, nor permanent...

Yes you can request NVC to expedite and yes you can request the US consular office to expedite. They may or may not agree.

Your adoptive parents are your parents. It seems to me that you can put their names on the form. You can also further explain that you were not...

Getting a new passport does not cause the I-94 to update. The date they got is the duration of their authorized stay in the U.S. If they want to...

Yes. Doing so may cause CIS to doubt you told the truth on your asylum application and also doubt your marriage is being entered in good faith.

Moving should not have any impact on your EAD clock, particularly if you move to another address in the same city.