If there are lots of IDs, you may be able to speed this up a bit by building a predicate with a variable reference outside of the loop and then just substituting the variable in to produce the id-specific predicate for each pass through the loop.
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.