During his meeting with President Donald Trump in Beijing, Chinese leader Xi Jinping revived one of the most closely watched geopolitical concepts surrounding the US-China relationship: the “Thucydides Trap.”

The phrase, while academic in origin, has become deeply symbolic in discussions about the growing strategic rivalry between the world’s two largest powers.

By invoking the concept directly with Trump, Xi signaled that Beijing views the current tensions between China and the United States not simply as disagreements over trade, technology, or Taiwan, but as part of a much broader historical struggle involving shifts in global power.

The message also reinforced China’s view that it should be treated as a peer superpower rather than a subordinate player in the international system.

What Is the Thucydides Trap?

The term “Thucydides Trap” was popularized by Harvard political scientist Graham Allison during the early 2010s.

The idea draws inspiration from the writings of ancient Greek historian Thucydides, who analyzed the Peloponnesian War between Athens and Sparta during the 5th century BC.

According to Thucydides, the rise of Athens and the fear this created in Sparta made war effectively unavoidable.

Allison later applied this framework to modern geopolitics, arguing that when an emerging power challenges an established dominant power, structural tensions can create conditions that significantly increase the risk of conflict.

In the modern context, China is widely viewed as the rising power, while the United States remains the established global superpower.

Why China Keeps Referencing the Concept

Xi has referenced the Thucydides Trap concept multiple times over the past decade as part of China’s broader diplomatic messaging.

Beijing’s central argument is that conflict between major powers is not inevitable if both sides manage competition carefully and pursue cooperation rather than confrontation.

Chinese officials often describe this approach using phrases such as “mutual respect” and “win-win cooperation.”

At the same time, invoking the concept also serves an important strategic purpose for Beijing.

By framing US-China relations as a defining test of great-power coexistence, China elevates itself to equal status with the United States on the global stage.

The message is designed to emphasize that the relationship is not merely about trade imbalances or regional disputes, but about shaping the future structure of global power.

Historical Examples Often Linked to the Theory

Supporters of the Thucydides Trap framework point to several historical cases where tensions between rising and established powers eventually led to war.

One commonly cited example is the buildup to World War I, when Germany’s growing military and industrial strength increasingly challenged Britain’s dominant position in Europe and overseas.

Another example involves the Thirty Years’ War in the 1600s, which reflected growing conflict between emerging Protestant powers and the dominant Catholic Holy Roman Empire.

According to Allison’s research, 12 out of 16 historical cases involving such power transitions ultimately resulted in military conflict.

Critics Say the Theory Oversimplifies Global Politics

Despite its popularity, the Thucydides Trap theory also faces significant criticism from scholars and policymakers.

Critics argue that wars are caused by far more complex political, economic, and ideological factors than simple shifts in power rankings.

Others warn that repeatedly framing US-China relations as an inevitable confrontation could itself increase tensions by encouraging strategic mistrust.

Several modern examples also suggest peaceful transitions are possible.

The United States gradually overtook the United Kingdom as the dominant global power during the 20th century without direct conflict between the two countries.

Similarly, Germany’s reunification and return as a major European power after 1990 did not trigger large-scale war.

Even during the Cold War, the United States and Soviet Union avoided direct military conflict despite decades of intense rivalry.

US-China Tensions Extend Beyond Trade

Xi’s comments come at a time when tensions between Washington and Beijing continue extending across multiple areas simultaneously.

The two countries remain divided over trade policy, artificial intelligence, semiconductor restrictions, military activity around Taiwan, cybersecurity, and global influence in emerging markets.

The ongoing conflict involving Iran and disruptions in global energy markets have also added another layer of geopolitical complexity to US-China relations.

China remains one of Iran’s largest oil customers, while the United States continues pressuring Tehran through sanctions and military deterrence efforts.

At the same time, both countries are deeply intertwined economically, making direct confrontation costly for both sides.

Summit Seen as Test of Strategic Stability

Many analysts view the Trump-Xi summit as an important test of whether the two powers can stabilize relations amid growing geopolitical competition.

Markets and investors are closely watching for signs of cooperation on trade, artificial intelligence policy, semiconductor access, and broader economic coordination.

Although expectations for major breakthroughs remain relatively low, even modest diplomatic progress could help reduce volatility across global markets.

Xi’s use of the Thucydides Trap concept ultimately appeared intended to frame the summit around a larger question: whether two global powers can manage competition without allowing rivalry to spiral into open conflict.