I am not a citizen or resident of the US, Amex gave me credit, for 15 yrs. untill I had hardships, can I be sued in the US?

In general, yes you can be sued here.

This should be a simple fix to just contact the bank of the card to adjust the payment.

You can send it. You don't need a lawyer for that.

Can I Sue them or get my money back in anyway?

Your options depend on any contract or agreement or terms of use the store has or that you signed. You should get something back for that.

Will the bank pay me for a unauthorized deposit?

Have you contacted the bank? this shouldn't have been allowed.

Suing media company for step by step instructions on registering with a company that stole my money?

This is a very interesting question. Is the media company responsible for your loss? The only way they would definitely be is if they were in on...

No, that seems like a breach of contract.

Does the online casino have specific rules that limit prizes?

Can my employer send a company wide email naming me as the positive covid case in our office?

No, generally they cannot do that. Here is a government page with more detailed...

Can I be charged with animal cruelty and neglect?

I think you will be fine. It seems like you've done all you can to help the animal. Get the dog his surgery.