Your application will be more responsive if you break up your very large image into tiles. Tiles are smaller images, usually 256 X 256, that can be reassembled by your application into the large image. You display just the tiles that are visible.
This uses less phone memory.
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.