President Donald Trump's decision to impose an additional 100% tariff on Chinese goods, set to take effect Nov.1, or even earlier depending on Beijing's reaction, marks a sharp escalation in the U.S.–China economic standoff. But the headline move is only half the story. Underneath lies a complex web of strategic vulnerabilities, technological competition, and political signaling.
Over the past week, China has quietly tightened its grip over the global supply of rare-earth elements: those obscure critical metals that power everything from electric vehicles and smartphones to radar systems and guided missiles. In its newly issued Notice 61 (2025), the Ministry of Commerce expanded export controls to cover additional rare earths and even extended them to goods made abroad that contain trace amounts of Chinese-origin materials.
