Contrary to popular belief, your dislike of something doesn't make it illegal. If the school doesn't want him visiting, they won't let him past the office. Period.
You are so obsessed with having control over your son that you're looking for every possible excuse to subvert your will on him. Your son is an ADULT and can make his own decisions. And NOBODY is deluded enough to agree with you and hasn't been for OVER A YEAR with the HUNDREDS of questions you've asked about the very same situation.
There is NOTHING wrong with a person emailing, talking with, sharing food with, fist bumping, high fiving, being friendly with, or going fishing with a married person of the opposite sex. It is not cheating and your obsession with this is the reason your wife left you. GET HELP.
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.