IF you are using Parallel. For or Parallel. ForEach you can specify a ParallelOptions object which has a property MaxDegreesOfParallelism.
Unfortunately this is just a maximum limit as the name suggests, and does not provide a lower bound guarantee. For the relationsship to WithDegreeOfParallelism see this blog post.
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.