Writing the words "The End" on your book length manuscript when your goal is getting your manuscript published by a publishing house isn't the end but rather the beginning of what can be a long process of rejections. This is especially true if the manuscript represents your first submission. Receiving rejections week after week, month after month can be disheartening if you don't have a game plan for using rejections constructively.
First thing you need to recognize is that everyone gets rejected in the publishing world. Many agents and publishers may not have the vision to see your work through. When you've written something from the heart and it gets rejected, it could be a reflection on the publisher' s short-sightedness than on your writing abilities.
You may have the next craze in a particular genre the publisher just doesn't have the vision to see what's truly great stuff. More often however usually the editors have legitimate reasons for rejecting the manuscript. Like too many ... more.
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.