This brief explores the post-2022 economic ties among China, Russia, Iran, and North Korea—the so-called CRINK states. Historically, economic alignment among military allies has been uneven and has not necessarily indicated the formation of a cohesive bloc. The World War II–era Axis powers, for instance, had fragmented economic cooperation due to geographic distance, wartime needs, sanctions, mistrust, and a focus on self-sufficiency—factors that also constrain CRINK today.

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