It's hard to tell how you want to do this without a sample code or even stating what technology you are using.. Anyway, almost ALL interactions with facebook graph api require an access token and most likely an extended permission .
To clarify, the access_token is what you receive after the user authorize your application. So , the provision of username and password only need to be done once, when user first access your app. You need to redirect user browser or client to : https://www.facebook.com/dialog/oauth... (Refer to https://developers.facebook.com/docs/authentication/ ).
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.