Your really should get a Class 1 Medical the first time you take a pilot medical exam - This to be sure you meet medical/vision standards to be an airline pilot Thereafter, a Class 3 Medical will be sufficient during training until you get a CPL - Sorry - Angela explained how the Canadian pilot medical categories work - Is different from ICAO and USA.
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.