Windows media player is already installed! That's why you can't install it again. Just type windows media player in the cortana box when you see it appear up top right click and pin to taskbar or start menu.
Then type default programs and make windows media player your default player.
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.