I have been led to belive that primers like kilz and zincer primer will rot canvis over time.true?

This depends on how you use them or the temperature of the environment when you sprayed your art works with them.

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.