B2 extend of stay

Yes you may apply now for the extension.

Yes if no action was taken on the case for over a year. Contact NVC directly to inquire.

Would traveling to get married in the current circumstances be risky for to reenter the US (with a H1-B visa and I-485 filing)?

Are you applying for adjustment of status? You should not travel without AP unless H1b is valid.

Visa Denied for Moral Turpitude during Communism

Best to have an attorney review your paperwork to provide a meaningful response.

Yes best to file by paper to avoid unnecessary delays.

United States Entry?

Yes you should be able to travel to the US.

More information is needed re: arrest record. Consult with an attorney for guidance.

Yes based on the information provided, a PCC is advisable.

How much will be the r1 visa extension attorney fees?

To obtain estimates, contact an attorney directly and you may use the Avvo search tool for guidance.

Can I apply for an humanitarian case if my 90 years old mother has to go back to Peru and it is not safe due to Covid-19?

She may file an extension prior to the I94 expiring based on the pandemic.