Any tux or very nice suit. Should include matching jacket and pants, polished shoes, collared button-up dress shirt, and a tie (doesn't have to be black, but should match the other colours and look sharp). If it's a very formal affair, consider a boutoniere too ;).
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.