In the inheriting situation, you can treat the derived class like its base class. That is, you can keep a collection of base class references around and call their methods without needing to know whether the actual objects are of any derived type, and if yes which. This an important semantic concept.
You're mixing terms. A subclass is the same as an inherited class.
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.