Organic food is the nearest thing you can get to chemically uncontaminated food. But yes even organically grown food has some chemical contamination. In this day and age it is impossible to avoid things such as airbourne acid rain and sulpher contamination.
Our planet is just too industrialised!
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.