Does the feinter know his feint succeeded or not before he strikes the next blow?

No! Keeping feint rolls secret ensures this. It is important to realize that combat is a "mindgame."

A fighter is never sure if his foe is pretending to be bad to put him off guard, or only appears to be good because he has practised a few moves to perfection, until he's observed him for some time. More.

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.