You would need to file a visa petition for her once you immigrate. She could not immigrate as a derivative since you are immigrating as an...

You may not know but the H1b has a lottery. You can enter the lottery in about March, for a starting date in October next year.

There is an exception to the one year deadline if you have maintained lawful, nonimmigrant status. Whether you have a viable claim depends on a...

There is never any guarantee one can get ESTA. But you should not be barred from ESTA either.

File the application while you are in the U.S., get printed and then you can depart.

Yes, she can file for adjustment of status if she entered as a visa waiver.

That is a Canadian immigration law question and this site is for U.S. immigration law.

No. Three years of green card not three years of marriage.

You have a three year bar to admission, so after the three year bar you can get a visa.

If the parties lived in Croatia, yes. But if neither husband nor wife lived in Croatia, no.