Learning what causes blindness is complicated. Blindness can occur from injury, disease, infection, a stroke, or as a result of a congenital defect or genital anomaly. You can find more information here: mcwdn.org/Blind/BlindnessCauses.html.
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.