What’s the benefit of a double-hung window?

A double-hung window takes advantage of heat patterns to provide the best circulation. Since hot air rises, leaving the top sash open allows heat to escape, while cooler air can enter the house through the lower sash. More.

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.