Fundamental means the basic foundations and ideas of an academic discipline or religious or political ideology. One must learn the fundamentals before they move on to advanced coursework.
Fundamental Mean Ergodic theorem in Hilbert space.
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.