Optional parameters are required to be constants because they are written out as values of an attribute. Hence they inherit all of the restrictions that an attribute value has.
Optional parameters are compiled into the assembly and as such (just like anything that is designated as const) they must be a compile-time constant.
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.