Not really.I know that America would send troops and help. And so do most people, I'm just saying there still might be a bit of nervousness. among eastern europe. We know that the situation in the modern day is diffrent from what happened after ww2. But still it is remembered and subconsciously there might be doubt.
Again, the simple fact we are welcomed and they love to work with us says enough.
I know people who went to Poland. They are loved or indifferent of US there. They are ready.
Hell, we have 101st in Romania... 1CD in Poland.