Well violins are made from wood Things like triangles and bells are made from metal Not sure about plastic But something like a guitar uses all 3! Like a wood used for the body, metal for the hardware and plastic for things like the scratchplate, tuner buttons n stuff.
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.