This could be any number of things and it depends whether it's a dull pain or a sharp pain. Lower back pain can sometimes be from external sources such as heavy lifting or bending down a lot or it could be kidney pain. Do you drink much alcohol?
Best bet is if it goes on for much longer is to get a doc to check you out. Best to be safe than sorry.
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.