She had made a promise to Edward, to not do anything stupid or reckless,but Edward broke all of his promises,therefore she not longer needs to keep her promises he left her. Also jumping off a cliff is stupid & reckless and when she is doing unsafe things she is able to hear his voice in her head once again.
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.