A motif in literature is the means by which the theme is delivered or developed. Recurring themes in a work of literature need conveying. This is accomplished by use of motifs as contrasts, structures, or repetitive ideas throughout.
You can find more information here: wtps.org/wths/imc/Pathfinders/motifs_in_....
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.