You will need to contact the Social Security Administration to find out if the document is acceptable. It is a good to either renew your green card...

I would err on the side of caution and say “yes” and provide an explanation. Retired would be a better option, but you can indicate unemployed...

Yes, assuming law enforcement will sign off on the required certification.

There is no bright line. The issue is your intent at the time of getting your green card. It really depends upon factors such as how long have you...

Apply for U visa after a year of the incident - possible?

Yes, assuming law enforcement will sign off on the required certification.

Help- H4 biometric

You can only be patient. ACS appointments are being scheduled but with serious delays.

How has the pandemic changed the dynamics of the "short list interviews" in the asylum offices?

It has had very little impact on the “short list”. There are still no cases and substantial backlogs. Asylum offices are also operating with fewer...

Status of pending non immigrant extension of status after getting green card

You do not need to take any action on the pending applications.

H1B - EB2 to EB1?

You could be eligible for EB-1C depending upon the exact nature of your overseas role.

So long as you have a valid visa and your spouse is maintaining status, you should be able to re-enter.