If people are clicking on the ads on my hubs how come money is not generating?

The ads they are clicking on must be CPM ads.

You only joined three days ago. Earning money takes time, and high quality content.

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.