Power is usually related to rank such as the Prime Minister would have more power over say a normal citizen in matters such as running the country but authority is not related to rank and authority may be given such as the police force may have authority to search your house as they have been given a search warrant.
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.