Required attribute stands for requiring any value - it can be either true or false. You'd have to use another validation for that.
I think the best way to handle this is just check in your controller if the box is true otherwise just add an error to your model and have it redisplay your view.
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.