Author score is related to the extent that you comment on other hubber's work and respond to questions like yours. I believe the average of all your hub scores influence your author score. There is an element of secrecy to how all the scoring is really done.
The HubberScore is not just about your hubs but also about your behaviour on HubPages. If you have been following a lot of people for no reason then your personal score will go down, even to 1.
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.