It is a misconception...If a person is ignorant he is unaware and that makes him unprepared for that particular circumstance. Awareness creates liberation and that will lead to happiness.
Because you don't have to worry about dealing with the problem when you are ignorant of it. But on the other hand it only last untill you become aware of what is around you.
Ignorance is bliss because knowledge is pain. Ignorance is bliss because if you don't know something, it can't hurt you.
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.