Do most of the Wicca and Neo-Pagan symblos come from Celtic and Nordic original symbolism?

To an extent, but some Neo-Pagans do however. They often blend cultures like Celtic, Norse, Greco-Roman, Egyptian, East Indian, Oriental, Cabbalistic & Alchemaic. They also can draw from the Rroma, the Vodoun, Australian aboriginal, several Native America tribes,some South American tribes and any number of signs and symbols specific to pagan pathways of our histories.

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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.