Big backbones are only needed for commercial traffic, like Netflix. If it comes to war, I think the first thing US government will do is it will force all ISPs

Big backbones are only needed for commercial traffic, like Netflix. If it comes to war, I think the first thing US government will do is it will force all ISPs to cut off private network connections in order to 1) save the bandwith 2) stop spreading of inconvenient news.