It is also possible that the reason you see no clicks is because you have not created a url channel for some of your blogs therefore not shown in your Adsense report page.
This is when you show there ads for a certain amount of times you get paid 1 cent I think its every 100 exposures.
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.