Becoming an American Citizen doesn't erase your previous loyalties and ties, that one is obvious.
Actually, the bit where a would-be US citizen says "I absolutely and entirely renounce and abjure all allegiance and fidelity to any foreign prince, potentate, state, or sovereignty of whom or which I have heretofore been a subject or citizen;" very much does erase your previous loyalities.
Do you really live in Poland? where about ?
Poznan. I know offline somebody who knows Delph offline.
No intelligent person does take some oath seriously.
So you mean to say that you are not a traitor and your excuse for not being one is that you are not intelligent enough to be be one. Interesting.