http://screenrant.com/paranormal-activit... The ending is explained there as well as how all the films are tied together.
It was meant to be a comedy... you know the type where they laugh and spit in your face cause you wasted your money.
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.