Wasn't comparing, just posting my opinion USA was once "Great" and recognised as such. During the Vietnam War ramp up and after. no longer.
Please factually explain why the EU has been exploiting the US. Remember defence GDP percentile goals were agreed by Obama and overridden by trump in unilateral breach of the Agreement IMO again trump demonstrates trump undermining the "word" of the USA, thus creating lack of trust. Trade as also been subject to mutual agreements which trump, again, is unilaterally trying to override. I don't believe JFK's speech you reference was talking to welfare but a vision for the USA e.g. the Space Race which was achieved.