In addToHead() you are assigning the address of a local variable to the head element of your list. After this function returns, the local variable is destroyed and must not be accessed.
LinkedNode a(e); is only in the scope of addToHead. The pointer to it (&a) gets invalidated as soon as the function returns.
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.