Human saliva is not a good cleaner, because saliva is mainly meant for the digestive system. Saliva was meant to break down starches while the food is being chewed, so saliva does not make a good cleaner. Saliva was not meant to clean.
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.