Each world order in your book, ends thanks at least in part to what you call a structural crisis. underlying all these general crises were structural pressures. The things i r worries most about as being corrosive to order are not power rivalries but rather al dynamics such as climate change and demographic decline. Soke in ors im ian our modern international order. And we could say we're in the post colld war orderr, i know, sometimes called the liberal international where in the next whatever, it doesn't have a name, but that's still connected to the cold war order.