There are several ways of doing this, but the method that has worked best for me is to take the bearing in the grip of a pair of pliers, and gently rock the bearing back and forth until it comes out cleanly. See video for a more detailed look. More.
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.