(Phnom Penh): As the world closely monitors escalating tensions between the United States and Iran, a familiar word has once again resurfaced: “ultimatum.” Yet this is not the first time such a warning has been issued, and it remains unclear whether this latest move represents a genuine turning point or simply another phase in an ongoing strategic game pursued by the United States.
Following unsuccessful negotiations between the United States and Iran in Pakistan, Donald Trump issued a new ultimatum, threatening to close the Strait of Hormuz while insisting that the passage must be reopened unconditionally to all vessels, regardless of affiliation.
This newly imposed deadline raises a critical question: does it signal a real move toward war, or is it another attempt to exert political and economic pressure?
According to official statements, the ultimatum is set to take effect at 10:00 a.m. Eastern Time on Monday (9:00 p.m. in Cambodia)—a moment that could quickly become a decisive turning point if no last-minute developments intervene.
President Trump wrote on social media:
“Effective immediately, the United States Navy, the finest in the world, will begin the process of blockading any and all ships attempting to enter or leave the Strait of Hormuz…”
However, if this threat cannot be fully enforced—or if it provokes a strong Iranian response—it could trigger a real conflict that extends beyond military confrontation, evolving into a broader regional or even global crisis with serious consequences for the global economy and energy markets.
Encirclement Strategy: The U.S. Builds Pressure Around Hormuz
Beyond rhetorical ultimatums, the United States is now taking a more concrete step by deploying military forces to support a potential blockade of the Strait of Hormuz.
Reports from international sources indicate an increased presence of U.S. naval forces and warships in the Persian Gulf and surrounding areas, tasked with monitoring oil shipments and commercial maritime traffic, while preparing for defensive and responsive operations in case of escalation.
At the same time, Iran has adopted a firm stance, warning that it will not allow hostile military vessels to operate near this strategic zone. Iranian military adviser Mohsen Rezaee has stated that the United States is “destined to fail” in any attempt to blockade the strait, emphasizing that Iran possesses sufficient capabilities to respond effectively.
This confrontation highlights a dangerous reality: the ultimatum is no longer merely political pressure—it is evolving into a tangible military situation on the ground.
The United States now faces a difficult dilemma:- If it does not act, its credibility may erode- If it does act, it risks triggering immediate military confrontation
The Strait of Hormuz: The World’s Energy Artery and a Strategic Flashpoint
The Strait of Hormuz is far more than a geographic passage—it is one of the most critical energy transit routes in the world, with approximately one-fifth of global oil consumption passing through it daily.
The threat to close the strait is therefore not a conventional military move, but rather the use of energy as a weapon.
Such an action would:- Disrupt global energy markets- Drive oil prices sharply upward- Directly impact economies worldwide
However, the United States cannot unilaterally control Hormuz. Iran’s geographic position provides it with significant strategic advantages, including coastal control, missile defense systems, and asymmetric warfare capabilities such as drones and fast-attack vessels.
As a result, any attempt to blockade the strait becomes a high-risk strategy, potentially leading to direct military confrontation and widespread disruption to global energy flows.
In this context, Hormuz is not just a maritime route—it is the heartbeat of the global economy. And when that heartbeat is threatened, the conflict can no longer remain confined to U.S.–Iran tensions alone—it risks transforming into a global crisis.
The Central Question: Strategy or Bluff?
Including this latest move, the current ultimatum marks at least the fifth such instance since late March 2026. Previous ultimatums, issued throughout April, often failed to reach full implementation, reinforcing a recognizable pattern.
This latest ultimatum can be interpreted in two ways:- A genuine step toward war- Or a continuation of strategic pressure aimed at forcing Iran back to negotiations and influencing global energy marketsHowever, repeated threats have raised concerns about credibility. Some analysts argue that these ultimatums reflect a strategy of pressure without full execution, leading to declining confidence in their seriousness.
Others, however, offer a different perspective: repeated threats may serve to desensitize the opponent, reducing vigilance over time. In such a scenario, what appears to be routine rhetoric could suddenly shift into real action when least expected.
In this sense, bluffing does not merely risk losing credibility—it may also function as a strategic cover for real action.
Conclusion: Between Bluff and War — The Most Dangerous Moment
Ultimately, what we are witnessing is not a simple ultimatum, but a strategic contest approaching a critical threshold.
From late March to April 2026, at least four ultimatums have formed a recurring cycle—threat, pressure, delay, and negotiation. Yet such a cycle cannot sustain effectiveness indefinitely.
The threat to close the Strait of Hormuz, combined with military deployments and expanding regional tensions, suggests that the situation is moving beyond diplomacy toward a stage where real confrontation becomes increasingly likely.
The key issue is not whether this ultimatum is a bluff or a genuine threat. The more dangerous question is:
When does bluffing lose control and turn into a war that cannot be stopped?
When threats are repeated and no longer taken seriously, the risk is not merely that they fail—but that they evolve into unintended conflict.
“The real danger lies not when threats are made, but when no one believes they will be carried out—until suddenly, they are.”