U.S. President Donald Trump is scheduled to meet Chinese President Xi Jinping this week in Beijing, with significant focus expected on Taiwan, a democratically governed island that China claims as its territory. The historical context of U.S.-China-Taiwan relations dates back to 1949, when the Republic of China retreated to Taiwan after losing a civil war to Mao Zedong's communists. Since then, the U.S. has supported Taiwan, particularly after the Taiwan Relations Act was enacted in 1979, which obligates the U.S. to assist Taiwan in self-defense. Over the years, various political shifts in Taiwan have influenced its relationship with both the U.S. and China, including the election of pro-independence leaders like Tsai Ing-wen in 2016. Tensions have escalated with military drills conducted by China in response to U.S. actions, such as Nancy Pelosi's visit to Taipei in 2022 and Trump's direct communication with Taiwan's leaders. The evolving dynamics continue to pose challenges for peace and stability in the Taiwan Strait, with the U.S. reaffirming its commitment to oppose any unilateral changes to the status quo.