So what you want to do is have one infowindow, but it gets different content for each marker. I.e. The content and its position changes in response to user clicks.
So in the loop where you create your markers, you also want to create your infowindow. However you will need to separate this out to another function, otherwise you end up with the situation where every infowindow just contains the content of the last marker.
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.