If I understand you correctly you have this case.
I'm a little confused by your question, but since you linked to this question, I assume you're trying to solve the same problem as that i.e. You want to sort array a and you want the indices of array be rearranged in the same way they were for a.
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.