Creole is one of the two dominant cultures of New Orleans, where the movie is set. The other is the more famous Cajun. The "King" may be a reference to Elvis Presley's title, or to the involvment of the mafia in the movie's plot, or possibly just sounded good and went with the movie's film noir style.
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.