Maybe your mate stole it or someone might have picked the lock. You could have been home and someone entered your place while you were having a shower or it could have been one of your friends playing a prank on you. If you are being honest and you really didn't misplace the items or could have you been sleep walking.
Keep looking or check for finger prints. You could also try getting a guard dog?
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.