Don't file online, use paper. It is NOT slower.

Conditional green card expiring soon, no receipt notice for I-751 from USCIS yet, What to do next?

It appears that you did all you can do. Be patient .. CIS is taking 2-3 months to process checks/forms.

Can I be refused access to Journeyman upgrade classes in my trade union when I'm forced to pay for them every man hour worked ?

Not an immigration question. I have re-classified it.

How to renew a US non immigrant b1 category with visa expiration on may 2021. Iam staying in philippines but cannot travel yet.

Yes, once the pandemic is under control, you can apply for a 'double' B-1/B-2 visa for future VISITS to the US.

Which kind of Sponsor should my husband's father fill, [I-864A] or [I-864 and I-864A]?

Probably form I-864 ... BUT he should talk to an attorney for confirmation/clarification.

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I got my H1b last year from f1 visa. Now i want to get my H1-B stamped in canada.

If you are not a Canadian citizen .... DO NOT GO ... especially if you are from India.

This is not an immigration question. Yes, you can get divorced .. talk to an attorney.

What ducment I need for trip morthan 6 month but not one year when applying for citizenship

If you take a trip of more than 6 months, you will probably become inelligible for citizenship. It is only in SPECIAL circumstances that a...

There is no good reason to 'upgrade' the requirements to masters. The greater issue is that you appear to be working with a 'consultancy' ......

I agree with my colleagues ... an F-1 is probably the best option.