Explainer: Why China Might React Badly to Any Call Between Trump and Taiwan's President

The prospect of a direct call between former U.S. President Donald Trump and Taiwan's President Lai Ching-te has ignited significant geopolitical tension, underscoring the deeply sensitive nature of cross-Strait relations. Trump's repeated affirmation of his intent to speak with Lai, a move unprecedented for a U.S. leader, carries the potential to profoundly disrupt U.S.-China diplomacy and could provoke further military posturing by Beijing around the island.

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the United States should "handle the Taiwan issue with extreme caution and stop sending wrong signals to the separatist forces of Taiwan independence".

Beijing's reaction has been swift and stern. China's Ministry of Foreign Affairs has urged the United States to "handle the Taiwan issue with extreme caution and stop sending wrong signals to the separatist forces of Taiwan independence." This reflects Beijing's long-standing position that Taiwan is an inalienable part of China, a "core of core interests" that cannot be compromised. Any engagement between foreign leaders and Taiwan's government is viewed as an unacceptable interference in China's internal affairs and a challenge to its sovereignty.

Taiwan, a vibrant democracy, firmly rejects Beijing's claims and asserts its right to self-determination and international engagement under its official name, the Republic of China. President Lai has consistently sought dialogue with Beijing, but these overtures have been rebuffed, with China labeling him a "separatist." Meanwhile, the U.S., while officially acknowledging Beijing's "One China" policy, maintains robust unofficial relations with Taiwan, bound by the Taiwan Relations Act to ensure the island's self-defense capabilities.

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Taiwan is its "core of core interests" and a red line that cannot be crossed.

Past U.S. interactions with Taiwan, such as high-level visits and arms sales, have consistently triggered significant military responses from China, including large-scale war games encircling the island. The potential for a Trump-Lai call represents a critical juncture, testing the boundaries of diplomatic engagement and Beijing's tolerance for perceived challenges to its territorial integrity. From a Chinese perspective, this is not merely a diplomatic courtesy but a direct affront to national sovereignty, demanding a forceful response to deter further perceived provocations.

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The U.S. severed official ties with Taipei in favour of Beijing in 1979 but is bound by the Taiwan Relations Act to provide the island with the means to defend itself.