Two power venters mounted side by side should be a minimum of 4 feet horizontally apart from each other, measured from the inside edge of each venter. This is to reduce the potential of flue gas re-entry into the building when the venter is not operating. Mounting venters directly above each other is not recommended.
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.