Introduction
Welcome to a new module focusing on the most sensitive and dynamic security issues in China's foreign policy. In our last lesson, we concluded our look at China's economic statecraft by examining how it is building new financial institutions like the AIIB. We saw China's ambition to shift from being a rule-taker to a rule-maker in the global system. Now, we turn from the economic to the geostrategic, beginning with a topic that many consider the most dangerous flashpoint in the world: Taiwan.
This lesson will address the learning outcome: Explain the historical origins of the Taiwan issue and the meaning of the 'One China' principle. We will trace the roots of the conflict back to the Chinese Civil War and explore how it became entangled in Cold War geopolitics. Crucially, we will dissect the term "One China," a seemingly simple phrase that holds vastly different meanings for Beijing, Washington, and Taipei, and whose ambiguity is a cornerstone of regional stability.
To begin, let's establish the geography. The island of Taiwan is separated from mainland China by the Taiwan Strait, which is only about 180 kilometers (110 miles) wide at its narrowest point.

1. An Unfinished Civil War
The division between mainland China and Taiwan is not an ancient reality but a relatively recent outcome of a brutal civil war. To get a quick overview of these pivotal events, please watch the following short video.
Why China and the US are so obsessed with Taiwan | Mapped Out
This clip from DW News provides a concise summary of how the Chinese Civil War led to the current political division across the Taiwan Strait.
Please watch from 2:11 to 2:42 and then from 10:09 to 11:35. Focus on the two warring parties and how their conflict resulted in two rival governments.
As the video explained, the key events are:
- Following Japan's defeat in World War II in 1945, control of Taiwan was handed to its wartime ally, the Republic of China (ROC), led by Chiang Kai-shek's Nationalist party, the Kuomintang (KMT).
- The KMT was soon locked in a full-scale civil war with Mao Zedong's Communist Party of China (CPC).
- In 1949, the Communists won, founding the People's Republic of China (PRC) in Beijing.
- Chiang Kai-shek, his ROC government, and around two million followers retreated to Taiwan.
This created the "two Chinas" situation: the PRC on the mainland and the ROC on Taiwan, both initially claiming to be the sole legitimate government of all of China. To delve deeper into this history and the critical role the United States played, the following article provides an excellent account.
“One China” in the Beijing-Washington-Taipei Trilateral Relationship
This article, '“One China” in the Beijing-Washington-Taipei Trilateral Relationship,' explains the historical context in detail.
Please read the section 'A Brief History.' Pay close attention to how the outbreak of the Korean War in 1950 fundamentally changed the US strategic calculation and 'froze' the conflict across the Taiwan Strait.
As you've read, the US intervention was decisive. While initially prepared to let the PRC "finish" the civil war by taking Taiwan, the invasion of South Korea by the communist North in 1950 triggered fears of a wider communist expansion in Asia. President Truman's decision to send the US Seventh Fleet into the Taiwan Strait effectively shielded the KMT regime from a PRC invasion and locked the two sides into a decades-long military and diplomatic standoff.
For the next 20 years, the United States and most of the Western world recognized the ROC in Taipei as the official government of China, including holding China's seat at the United Nations.
2. The Great Reversal: Normalization and the 'One China' Maze
By the early 1970s, the strategic landscape had changed. The deep ideological and strategic split between the PRC and the Soviet Union created an opportunity for the United States. President Richard Nixon and his National Security Advisor Henry Kissinger saw a chance to align with Beijing against their common Cold War adversary, Moscow.
This led to a dramatic diplomatic reversal:
- 1971: The UN General Assembly passed Resolution 2758, expelling the representatives of the ROC and seating the PRC as the sole representative of China.
- 1972: President Nixon made his historic visit to China, issuing the Shanghai Communiqué with the PRC. This document laid the groundwork for a new relationship.
- 1979: The US formally established diplomatic relations with the PRC and severed its formal diplomatic ties and mutual defense treaty with the ROC.
This is where the meaning of "One China" becomes central and highly contested. The term is not a single, universally agreed-upon concept. It is a carefully constructed diplomatic formula with two distinct primary versions.
Beijing's "One China Principle"
For the People's Republic of China, the "One China Principle" (一中原则, yī zhōng yuánzé) is an absolute and non-negotiable statement of sovereignty. It consists of three core tenets:
- There is only one China in the world.
- Taiwan is a part of China.
- The government of the PRC is the sole legal government of China.
Any country wishing to have diplomatic relations with the PRC must accept this principle. From Beijing's perspective, the Taiwan issue is a purely internal affair, the final chapter of the Chinese Civil War.
Washington's "One China Policy"
The United States, by contrast, adheres to a "One China Policy." This is not an endorsement of Beijing's principle but a framework of strategic ambiguity. It is a complex constellation of statements and legal documents developed over decades.
To understand the subtle but crucial differences, let's watch an analysis from a legal and historical perspective. The speaker, Ja Ian Chong, breaks down the historical context and the precise language used in diplomatic agreements.
The International Dimensions of China’s Lawfare against Taiwan | Hoover Institution
In this segment from a talk at the Hoover Institution, Professor Ja Ian Chong explains how the idea of a singular 'China' is a modern political construct and deconstructs the carefully chosen language of US-China agreements regarding Taiwan.
Please watch from 14:26 to 22:52. Focus on two key points: The argument that the PRC's claim of sovereignty 'since ancient times' is a modern nationalistic construction. The critical linguistic difference in the Shanghai Communiqué, where the US acknowledges the Chinese position rather than recognizing or accepting it.
As the video powerfully illustrates, words are paramount. The US position is deliberately nuanced. While the US recognizes the PRC as the sole government of China, it only acknowledges the "Chinese position that there is but one China and Taiwan is part of China." To acknowledge a position is simply to state that you have heard it; it does not mean you agree with it.
The US "One China Policy" is thus a broader, more flexible framework built upon several key documents:
- The Three Joint Communiqués (1972, 1979, 1982) with the PRC, which form the basis of the relationship.
- The Taiwan Relations Act (TRA) of 1979, a US domestic law passed by Congress after normalization. It commits the US to maintaining robust unofficial relations with Taiwan and to providing it with defensive arms.
- The Six Assurances (1982), which were given to Taiwan and include pledges that the US has not set a date for ending arms sales and has not altered its position regarding sovereignty over Taiwan.
This policy of "strategic ambiguity" is designed to serve as a dual deterrence: to deter the PRC from invading Taiwan, while also deterring Taiwan from formally declaring independence—either of which could trigger a war.
3. 'Lawfare' and International Interpretations
The PRC actively works to blur the distinction between its rigid "Principle" and the world's more ambiguous "Policies." In a strategy some analysts call "lawfare" (using law as a weapon of war), Beijing attempts to reinterpret international documents to support its claims.
The International Dimensions of China’s Lawfare against Taiwan | Hoover Institution
Let's return to the Hoover Institution video, where Professor Chong gives concrete examples of this lawfare and shows how different countries navigate the 'One China' issue.
Please watch from 22:52 to 26:45, and then from 31:48 to 34:29. Notice how there is a spectrum of 'One China' policies globally and how the PRC reinterprets UN Resolution 2758 and other treaties to bolster its sovereignty claim.
As shown, Beijing often asserts that UN Resolution 2758 settled the issue of Taiwan's status. However, the text of the resolution only addresses the question of who represents "China" at the UN; it never mentions the word "Taiwan" or its political status. This is a prime example of the PRC's effort to create a new legal and political reality through persistent misrepresentation, targeting audiences unfamiliar with the precise details.
Conclusion
Understanding the Taiwan issue requires appreciating its dual nature as both a historical remnant of the Chinese Civil War and a contemporary geopolitical chessboard. The carefully constructed ambiguity surrounding the "One China" concept has, for decades, been a fragile but essential foundation for peace in the Taiwan Strait.
Key Takeaways:
- The division between mainland China and Taiwan is a direct result of the Chinese Civil War's conclusion in 1949, when the ROC government fled to Taiwan after the PRC's victory.
- The conflict was frozen by US intervention during the Korean War, which placed Taiwan under American protection.
- Beijing's "One China Principle" is an uncompromising claim of sovereignty, stating that Taiwan is a province of the PRC.
- Washington's "One China Policy" is a framework of strategic ambiguity. It recognizes the PRC government but only acknowledges Beijing's territorial claim, while maintaining robust unofficial ties with Taiwan under the Taiwan Relations Act.
- The PRC actively engages in "lawfare," attempting to conflate its "Principle" with the more nuanced "Policies" adopted by the US and other nations to strengthen its international standing.
Preview of the Next Lesson:
Now that we have established the historical and political foundations, our next lesson will move to the present-day military dynamics. We will analyze the strategic signaling and escalation risks of China's military activities around Taiwan, examining the tools and tactics the People's Liberation Army uses to intimidate the island and challenge the United States.