The queue is static -- There is only one instance of it in the whole program no matter how many subclasses or instances of A you create.
A static variable is independent of the instances of the class. Static variables are instantiated on initialization and they are destroyed on exiting the program. Hence, their lifetime is equal to the lifetime of the program.
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.