How to add objects from an NSArray to the end of an NSMutableArray?

Be consistent. To begin with, prefix all your instance variables with an underscore, not just some of them.

Looking at your crashlog, you are referencing a nil pointer. It seems either filenames or arguments is never initialized.

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.