WiX has a feature called Smart Cabbing . WiX is supposed to automatically do this for you provided that the file elements have the exact same source path attribute.
The best thing I can think of to avoid multiple copies of the . Exe being put into the installer is to use the CopyFile element.
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.