Manners doesn't really deal with religion. It is a part of the human characterisitcs. Everyone either has good or bad manners.
Having manners will let people respect you. They will be kind towards you and they won't hesitate to talk or be your friend. A person with good manners is honored everywhere while a person with bad manners is spoken about badly.
A person with bad manners will have people treat him as if he is a piece of 'trash' that they won't even bother to look at. They'll think that your parents didn't bring you up. Also, the Prophet pbuh had mashallah wonderful manners.
The Prophet pbuh is the example to all Muslims. We all are supposed to have good manners. It will help take you far in life.
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.