American-led restrictions have blocked China from accessing some of the world's most advanced technologies, spurring China's efforts to build its own know-how and intensifying the tech race between the world's two biggest economies.

Source: [NPR News](https://www.npr.org/2026/07/17/nx-s1-5897285/chinas-xi-calls-for-step-up-of-global-effort-in-ai-as-us-curbs-squeeze-chinas-tech-access)

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