New answer== It is the expression of used energy. Everthing that exists emits an aura, even a rock or tree. A person with developed perception can see these eminations of used energy.
We have seven level of mind with corresponding auras. It is possible to train to read the auras emitting from different parts of the body and mind to determine a persons health. An aura can be photographed using a kirlian camera.
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.