The majority of spirit activity is not dangerous. Residual haunting involve passive energy fields that do not actively respond to people. Intelligent hauntings with active spirits usually only wish to communicate and not harm.
Inhuman entities, poltergeists or other unknown forces can have the potential to hurt, due to their unpredictable nature. They occasionally smack, scrape, push people and toss objects around. If this type of spirit inhabits a location, use extreme caution and constantly aware of your surroundings.
More.
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.