You should not need a joint sponsor, but the consular officer must determine if your beneficiary is likely to become a public charge. So it may...

The visa might be valid, but the CBP officer may or may not admit the person if there is this kind of inconsistency. They may wish to apply for...

Since you have been in the U.S. for under one year, you are not barred from filing for asylum. Being pregnant, and being on an F2 for eight...

If USCIS notices the issue, they can request proof and they can deny the application.

Having a pending application for adjustment of status does not bar one from being eligible for an H1b visa.

Zero. You are authorized only to work for your H1b employer.

Generally one does not attach any of the documents you mention, on a naturalization application.

They could expedite the decision on the i-130, but they cannot issue the visa until it is available. And there is a waiting list. There is no...

If you change employers, you must file an i-485J and of course, comply with the porting rules of AC21. So see a lawyer.

If you are getting a new visa, you should go with your new passport.