If they are not, then you need to make sure that the EntityCollection which contains the Polygons does not have a higher zIndex than the EntityCollection which contains the Pushpins. If they are all within the same EntityCollection, try setting the zIndex of your Pushpins explicitly to some high numeric value, and see if that helps.
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.