For the spirit entity to connect to a medium, all they have to do is merge the aura of the medium and connect their mental field to the medium's. Now a mind-to-mind communication takes place. Symbolism is the language of the universe.
The disincarnate spirit will impress a message of symbols through their mental field to the medium's mental field. The medium will often hear a combination of words, see images and feel impressions from the disincarnate spirit. Usually the first thing the spirit will tell the medium is their name.
If they had an unusual name, they might try to get their name across by using a song, like "Rocking Robin." I once had a young girl who was killed in a car accident come in with that song. The medium will hear the song over and over until they acknowledge it.
Sometimes, the spirit will say something about how they died or give names of surviving members of the family, or special pet. They might show the medium scenes, symbols about their life. I try to ... 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.