For starters: $ (or jQuery, they're usually the same thing) is a function. On your first two examples, you're calling that function, passing it a reference to an anonymous function. That's a jQuery shortcut to add the passed function as a "document.
Ready" event listener (the actual event name is DOMContentLoaded in compliant browsers).
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.