I think that you can use fragments, and a ViewPager that contains the fragment inside the activity.
You should use Android ViewPager for better UI experience and use Fragment instead of activity. You can save the more time using ViewPager instead of developing custom swipe. Have a look on to following examples.
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.