Check if you have -operator die or exit in your code. If yes, output some string to know where your script ends or use the error_log -function.
You could try adding error_log() function before/after each block (if/else, for/foreach or while, function or $this->*) called into index.php. And continue into class file php recalled from index. Php, so you could find point where system failed.
Sometime, php system prints nothing error log until you print (with error_log(), print_r() or echo) something near the problem.
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.