Because AlertDialog. SetCancellable returns void and AlertDialog.Builder. SetCancellable returns an AlertDialog.
Builder .
AlertDialog allows you to show a dialog above your activity/fragment. It is usually used for prompting user for interaction including few buttons or notifying for something.
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.