Since the area surrounding Autoimmune diseases are so uncertain and not very well understood, it is hard to say for certain what triggers autoimmune diseases as a whole or even seperately. There have been some theories that the Epstein-Barr virus (mononucleosis) play a role in setting it off but there are also other theories ranging from job related repeated vibrations setting off Scleroderma to the coxsackie virus being a risk factor for having Type 1 diabetes (insulin dependent). Though there are many theories, they are still under consideration and being tested.
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.