You cannot fetch stream data using an app access token. You must authenticate a user to your app and use a user access token to get this data. If you change the application in the Graph API explorer, it authenticates you and still gains a user access token in your name.
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.