We can supply a detector that ignores pets up to a mass size of 80lb, although the top half of the detector works as a normal P.I.R. so consideration needs to be given to mounting, i.e. Not looking at stairs or at the back of settees where cats can jump up. 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.