Thicker atmosphere does not stop UV-B. Only ozone in our atmosphere stops UV-B from damaging the DNA of all surface life on Earth And even though the ozone hole is a natural phenomenon, the size of the hole is an indication of, it does appear, the effects of Man on this protective ozone layer.
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.