Indeed Allah swt knows best and only Allah swt has the right to judge all mankind. Anyone who reads the shahada ( There is no god but Allah and Muhammad is the prophet of Allah) and truly believes in the shahada is a muslim. Both sunni and shia believe in the shahada which makes them muslim and my brothers and sisters in Islam.
We as muslims should respect each other and all mankind as only Allah has the right to judge and Allah shell judge All.
May allah (swt) guide us. The only right path is this : "O People, no prophet or apostle will come after me and no new faith will be born. Reason well, therefore, O People, and understand words which I convey to you.
I leave behind me two things, the Quran and my example, the Sunnah and if you follow these you will never go astray." The last sermon of the prophet (saw). Its simple and easy, whats so hard?
Salam.
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.