The word costing refers the cost incurred to manufacture the product and pricing is cost of selling the same product in the market example : if we manufacture a toy which costs 200/- and the same toy we are going to sell in the market is 500/-. This is called pricing.
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.