Ud83d\ude04" is the JSON Unicode escape sequence for U+D83D U+DE04 which is the "surrogate pair" for the Unicode U+1F604 (SMILING FACE WITH OPEN MOUTH AND SMILING EYES).
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.