King Nrga became perplexed as being wise to the laws of Karma he knew that to assume that his good karma would be greater than his bad Karma was indeed going to add to the bad. This being because humility plays a large part in Karmic debt. To choose bad Karma would have the same effect if the Kings thoughts were that his bad Karma could not be all that bad.It is indeed a very wise, and humble person who can know the accumulation of good or bad Karma.
Karmic debt can span the centuries and must be considered in conjunction with reincarnation The King also knew that karma can be personal or it can be social. That is that it can be carried by a generation of people or by a country or in fact by the whole world.As is evident now that the effects of global warming are world wide and we all have participated in this phenomena in one way or another. The king did not wish to add to the suffering of others.
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.