If you have used debug. Keystore to get api key for map then it will not show map tiles when you launching signed the app with your own private keystore. Have you signed your app?
Have you added the following permissions to your application in your AndroidManifest. Xml file.
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.