It's ok to promote products and services, but you want to make sure the information you create is high quality and useful. You'll also need to stay within our editorial policy with how many links you use to the same site. I hope this helps.
If you poke around the forums, there is more info on this topic.
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.