Try to use Linq to XML (XDocument, etc. ) and take a look here and here.
I recommend looking into the MVVM pattern. Your button's text should be bound to a property in your View Model which will change depending on the language selected.
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.