President Biden participates in a CNN town hall at the Baltimore Center Stage Pearlstone Theater, on Oct. 21. When asked whether the U.S. would protect Taiwan if China attacked, he said the U.S. has a "commitment" to do so. Evan Vucci/AP hide caption
Qin Gang fields questions during a news conference around the Six-Party Talks on North Korea's nuclear program in Beijing in 2005. He served as spokesperson for the Chinese delegation. China Photos/Getty Images hide caption
Jets fly over the Presidential Office during Taiwan's National Day in Taipei on Oct. 10. Sam Yeh/AFP via Getty Images hide caption
A large screen broadcasting an evening newscast along a Beijing street in March shows Chinese President Xi Jinping wearing a protective mask during his visit to Wuhan earlier in the day. Kevin Frayer/Getty Images hide caption
President Trump and China's leader Xi Jinping leave a business leaders event in Beijing in 2017. Relations involving trade and other areas between the two countries have deteriorated. Nicolas Asfouri/AFP/Getty Images hide caption
U.S. Ambassador Terry Branstad shakes hands with Chinese President Xi Jinping at the Great Hall of the People on Sept. 30 in Beijing, China. Lintao Zhang/Getty Images hide caption