7. Reuters. “Goldman Sachs Flags Risk of Disruption in Rare Earth Supply Chains,” October 21, 2025.
8. The Wall Street Journal. “China’s Rare-Earth Export Controls Are a Critical Concern for EU,” October 21, 2025.
9. U.S. Federal Register , Vol. 90, No. 198 (October 15, 2025): Proposed Tariff Schedule Amendment for Strategic Inputs.