We have that. What has broken down is cooperation. The kind that has ensured relative peace for 80’ish years. That order is breaking down and creates instability. Instability means more conflict and less productive use of resources.

Well, cooperation with one specific player.

Cooperation among the rest of the world is rapidly progressing in response.

Yes and no. Internal cohesion is weakened (the most extreme example of which is brexit) by resurgence of nationalism and xenophobia. At the same time new trade deals and alliances are formed and deepened.

That's a good overview. As usual: things are complex, not necessarily bad overall.

That's not how it works though, is it? What you're really saying there is global governance.

Which faction that emerges as a dominant ever says "Oh no! We better stop using our advantage to improve our condition".