Cognitive therapy is a broad term to describe therapy that include therapy that share similarities. These include any therapy that is based on our feelings effect the way we act and think.
Cognitive behavior therapy is a type of therapy that bases its practices on the theory that thoughts are what lead to emotions and actions. Therefore, it tries to train the mind to replace irrational, negative thoughts with more logical ones. You can find more information here: nacbt.org/whatiscbt.htm.
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.