An R.N. You choose "a" vs. "an" depending on the SOUND of the next word, not how it's spelled. The initial "R" is pronounced "arr," which begins with a vowel sound, so it's preceded by "an." Even when you're writing it and not speaking it.
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.