Smart pointers mean that the referenced object gets deleted as soon as the last smart pointer for it is destructed, so what's happening in your code is as expected. You would need to release the pointer from your smart pointer instance, transferring ownership to Func.
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.