The age of 18 is considered to be a young adult. Because that's when you go to college, or work or decide to move out. You become responsible and take control of your own life, and that's what being an adult is all about in my opinion.
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.