Autotroph is when an organism can make it's own food heterotroph is when an organism is not capable of making it's on food for example: plants are autotrophs. Photosynthesis is the way they make their food An animal like us, humans is a heterotroph. Our bodies can not make food for us.
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.