You have to cast the source object to the object you ecpect. The getSource() method only delivers you an object, but you can't access any information form it (e.g. Form a Button, you first have to cast it to a button).
If you want one method to handle click events for a bunch of widgets, then it's as easy as.
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.