Click on "my account" in the top right corner of the page and then click on "Earnings". You will be able to see the Google AdSense options underneath. Click "Configure" next to the AdSense one and follow the instructions from there.
Just look for it on your settings account =) on the earnings tab.
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.