There's no requirement for advance notice, but it's good practice because you want to leave on good terms. The reason is you never know if or when you may want to work there again or if you will need a reference from them for another job.
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.