China Accused of Secret Nuclear Tests as Arms Race Fears Mount

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- Beijing faces accusations of conducting secret nuclear tests, a revelation that The Diplomat argues should refocus international attention on China's growing nuclear arsenal.
- China's nuclear expansion and modernization could accelerate an unconstrained nuclear arms race, according to the article's central warning.
- Chinese President Xi Jinping refuses to participate in meaningful dialogue on nuclear issues or abide by existing agreements, a stance the piece identifies as a key accelerant of competition.
- The consequences extend beyond the U.S.-China bilateral relationship, threatening global stability, international non-proliferation norms, and the prospect of future arms control agreements.
- Major powers are renewing their focus on nuclear testing, a pattern the article frames as the start of a new nuclear era.
Why it matters: If China is secretly testing while refusing arms control dialogue, the diplomatic foundation for limiting nuclear proliferation erodes — leaving the U.S., China, and other nuclear states on a path toward unchecked competition with no multilateral guardrails. The non-proliferation regime that has constrained nuclear weapons for decades depends on transparency that the article says Beijing is now withholding.
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