Yes, Form I-130A is required by USCIS, not by the US Consulates.

Criminal record always will be an issue if you apply for citizenship. I recommend to consult an immigration attorney to evaluate your case before...

Unfortunately there in much you can legally do your niece. I suggest to consult an attorney to explore other options as F1 visa.

Unfortunately no. If you get married while your your boyfriend is married in Cuba, your marriage in the US will be deemed no valid for immigration...

Form I-485 is used for Adjustment of Status. If your daughter is Outside the US she cannot Adjust Status.

It is possible, but because your are divorce, USCIS will require strong evidence to support your good faith marriage. I strongly recommend to hire...

You must follow the consular process. If she remains in the US after she turns 18 years old she will be under illegal presence. Illegal presence...