Possibly we will see and it will depend a lot on what Russia does.
They were and removed them as part of the deal. I repeat, there are no nukes, US or otherwise based in Eastern Europe NATO countries.
Yes, Cuba is closer, but it was the only option in that hemisphere.
Look it up, rather than making shit up
It is precisely why they joined, they have said so. Sweden and Finland didn't apply to join for shits and giggles.