Biden reiterated U.S. support for its longstanding “One China” policy, which recognizes the government in Beijing — while allowing for informal American relations and defense ties with Taipei, and “strategic ambiguity” over whether the U.S. would respond militarily if the island were attacked.He also said that despite China’s recent saber rattling, he does not believe “there’s any imminent attempt on the part of China to invade Taiwan.” Xi, according to the Chinese government’s account of the meeting, “stressed that the Taiwan question is at the very core of China’s core interests, the bedrock of the political foundation of China-U.S. relations, and the first red line that must not be crossed in China-U.S. relations.” Biden said he and Xi also discussed Russia’s aggression against Ukraine and “reaffirmed our shared belief” that the use or even the threat of nuclear weapons is “totally unacceptable.” That was a reference to Moscow’s thinly veiled threats to use atomic weapons as its nearly nine-month invasion of Ukraine has faltered.Ukraine, China-US frictions dominate at G-20 summit in Bali G-20 summit casts spotlight on Bali's tourism revival China's Xi, out of COVID bubble, faces changed world at G-20 Germany's Scholz: Asia-Pacific 'far more than just China' Chinese officials have largely refrained from public criticism of Russia’s war, although Beijing has avoided direct support of the Russians, such as supplying arms.The White House said Biden “raised U.S. objections to the PRC’s coercive and increasingly aggressive actions toward Taiwan, which undermine peace and stability across the Taiwan Strait and in the broader region, and jeopardize global prosperity.” In the meeting, Biden said China’s economic practices “harm American workers and families, and workers and families around the world,” the White House said.The meeting came just weeks after the Biden administration blocked exports of advanced computer chips to China — a national security move that bolsters U.S. competition against Beijing."