“We learn to switch engines.”… Aya called them The Two Engines of Civilization. Competition. Cooperation. Both running. Both overheating. ⸻ The Osaka skyline flickered with data — not neon ads anymore, but real-time supply-chain maps. Semiconductors. Lithium. Rare earth metals. AI compute capacity. Tatsuya leaned over the balcony and said, “Feels like the world is splitting into teams.” Aya shook her head. “No. It’s worse. The world is splitting into layers.” She pulled up two dashboards. Layer One: Competitive World Trade barriers rising. Tech sovereignty policies multiplying. AI export controls. Defense spending trending upward. A notification popped up: Geoeconomic rivalry now ranked top global risk. Aya didn’t need to read it twice. The world was moving toward fragmentation, with leaders expecting a more divided, multipolar system in the coming decade. And business cooperation was already eroding — ex...