Plug you AdSense number into the Affiliate Settings on the "my accounts" page. 60% of the Google impressions will be yours automatically. Now write lots of really good articles.
Yes, that is one of the ways to generate ad revenue on HubPages. Google, for the most part decides which ads appear on HubPages.
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.