Product group is the technical term. It refers to products with the same input including same proportion of FSC certified and non-certified material. A specific type of garden chair would be an example of a product.
Different lines of garden chairs made of the same material are examples for a product group. More.
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.