It being at gamestop is irrelevant, that's just a shitty employee, you'll find them everywhere. Not only that it's holiday season, which is really tough on retail workers, so it could also just be that he was really exhausted, worn out and addle brained. That being said he still should have checked even if he was fairly certain (i always do unless I checked within the last couple hours).
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.