The U.S. chose to abandon the rules based international order that has made it a bastion of stability since WW2 when they decided they wanted a return to the monroe doctrine and that it was okay to arbitrarily invade countries and take their resources based on the impulses of a single person. The same person outwardly stated, "Considering your Country decided not to give me the Nobel Peace Prize for having stopped 8 Wars PLUS, I no longer feel an obligation to think purely of Peace". If you think this is "as stable as it gets", then we're living on different planets.