An index path is just a set of indices, e.g. {0, 2} might represent an index path pointing at the first section and third row of a table view — assuming a table view representation of your array data is your ultimate goal.
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.