It doesn't seem right for the User entity to create App_Form objects. Your entities are idealized abstractions of your data which you reference in other parts of your application. This doesn't prevent you from having separate files for your Form types.
I would go for something like your first option.
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.