Her job is to witness the signature. Once she has done that, the actual seal is not an issue. She probably should have sealed it; but that happens all the time.
Just because the Notary messed up a little song and dance doesn't mean it's not a valid document. It's the legal responsibility of the Notary public to keep track of that stamp, not you.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.