Part I: U.S. Policy on "One China".

The article discusses the history of the "one China" policy as it pertains to the U.S. as of June 2011. It states that the issue began in 1971 under former U.S. president Richard Nixon, when the People's Republic of China (PRC) made the "one China" policy a condition for creating ties with other countries. It reports that in the 1990s, the U.S. assisted Taiwan during military exercises in the region with Congressional approval, causing tensions with China, which remain to date.