Dual Citizenship from the US and the EU Union

I will be applying for dual citizenship to Poland in the near future. Does anyone know if Dual citizenship is achieved, does this extended to the European Union? As in will I become a recognized member of the EU with dual citizenship from the US?

Once you get Polish citizenship you will become European Union citizen. The fact you will have dual citizenship - Polish and American doesn't matter. If you get Polish passport you will be recognized as a member of EU.

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Poland doesn't recognise dual citizenship - if you're here and you have a Polish passport, you're treated like every other Pole, no matter what other passport(s) you hold.