By Dr Tarh Ntantang
The 2026 U.S.-ISRAEL-IRAN conflict marks a decisive rupture in Middle Eastern geopolitics, shifting from proxy confrontation to open interstate warfare. This article interrogates whether diplomacy remains viable or whether structural dynamics favour prolonged conflict. It argues that, despite intermittent diplomatic gestures, entrenched mistrust, strategic competition, and shifting global alignments make escalation more likely than resolution in the short term. The study further examines the geopolitical repercussions across energy markets, global power competition, regional security architectures, and international law.
The escalation of hostilities between the United States, Israel, and Iran marks a critical reflection point in contemporary international relations. What had long been a “shadow war” characterised by proxy engagements has evolved into a direct military confrontation, including strikes on nuclear and military infrastructure. The breakdown of negotiations, together with new coercive measures such as the U.S. naval blockade and Iran’s disruption of the Strait of Hormuz, raises a fundamental question: Is diplomacy still a viable pathway, or has the conflict entered a phase of structural militarisation?
HISTORICAL AND STRUCTURAL DRIVERS OF THE CONFLICT
The legacy of strategic mistrust is a driver of the conflict. The root of the conflict lies in decades of antagonism, nuclear disputes, and geopolitical rivalry. The U.S. withdrawal from the Joint Comprehensive Plan of Action (JCPOA) in 2018 marked a turning point, eroding trust and the institutional frameworks for diplomacy.lomacy.
FROM PROXY WAR TO DIRECT CONFRONTATION
The war marks a qualitative escalation, with direct U.S.-Israel strikes on Iranian territory, Iranian retaliatory missile campaigns, and the disruption of global energy corridors. The transition signifies the collapse of the deterrence stability that previously governed the region.ly governed the region.
DIPLOMACY UNDER STRAIN
The collapse of negotiations in the ongoing crisis is a cause for concern. Iran has announced that no further formal talks are scheduled with the United States, although it leaves open the possibility of indirect diplomacy.
1. COERCIVE DIPLOMACY VERSUS MILITARY ESCALATION
The U.S. strategy increasingly reflects coercive diplomacy, including naval blockade targeting Iranian exports, threat of direct military engagement, and economic strangulation. However, political analysts opine that such measures risk backfiring, reinforcing Iranian resistance rather than compelling concessions.
2. FRAGMENTATION OF WESTERN CONSENSUS.
It should be worth mentioning that key U.S. allies such as the United Kingdom and France have refused to participate in escalation strategies like the blockade, advocating diplomatic solutions instead. This divergence weakens the cohesion of the western alliance and undermines collective diplomatic leverage.
3. MILITARY ESCALATION DYNAMICS
The strait of Hormuz remains the epicenter of the crisis with approximately one-fifth of global oil flow transit through it, and Iran’s disruption has already driven oil prices above $100 barrel . The control over this chokepoint transforms the conflict from regional to global.
4. RISK OF PROTRACTED WAR
Experts say current indicators suggest no clear exit strategy from any party, escalation rhetoric within the U.S. domestic politics, and Iranian demands for maximal concessions. These conditions point towards prolonged, attritional warfare rather than rapid resolution.
GEO-POLITICAL REPERCUSSIONS.
1- GLOBAL ENERGY AND ECONOMIC SHOCK
The conflict has already triggered oil price spikes and supply disruption, inflammatory pressures in global markets, and potential contraction in GDP. Experts estimate that a wider Middle East war could significantly reduce global economic output.
2- REALIGNMENT OF GLOBAL POWER POLITICS
The crisis accelerates a shift towards multipolarity with China and Russia continuing energy engagement with Iran. Russia benefits from higher energy prices and geopolitical distraction, while Western unity shows signs of fragmentation. These dynamics weaken the United States hegemony and enhance the strategic autonomy of non- western powers.
3- REGIONAL DESTABILIZATION
The war is destabilizing the Gulf region with the Hezbollah highly involved in the war against Israel. There is increased sectarian polarization in the region. The Middle East security architecture is thus undergoing structural transformation.
THE TWO-WEEK CEASEFIRE
It is worth noting that reading between the lines of the Pakistan-brokered ceasefire reveals a striking reality. The U.S. called for a truce at Pakistan’s initiative. To understand the outcome, we must revisit Washington’s war objectives. Why did the U.S. engage in the war against Iran? What motivated the war? President Trump’s core demands were:
1- Regime change in Iran.
2- An end to Iran’s uranium enrichment program.
3- Limits on Iran’s missile capabilities.
None of these was achieved. The push for regime change backfired catastrophically after the assassination of the old, subtle Ayatollah Khomeini, only to see him replaced by a far more vibrant and fierce successor. President Trump, prior to the 14-day ceasefire, had threatened a ground invasion, but top U.S. military leaders warned against it, citing grave risks. The aftermath saw chaos: commander reshuffles, the resignation of U.S. counterterrorism chief and a visible weakening of U.S. foreign policy.
In an editorial, the New York Times declared that Iran has emerged as a new superpower, reshaping the Middle Eastern order and challenging long-standing U.S. dominance. Meanwhile, international affairs analysts have noted and continue to say that Iran’s resilience stems not from luck but from steadfastness and tactical discipline, and they further argue that Tehran effectively turned U.S. technological superiority into a liability, forcing Washington into an unwinnable war of attrition.
CONCLUSION
The U.S.-Israel-Iran war illustrates the limits of diplomacy in the context of structural rivalry and geopolitical transformation. While diplomatic channels remain formally open, they are substantively constrained by coercive strategies, alliance fragmentation, and incompatible strategic objectives. The conflict is, therefore, unlikely to end through immediate negotiations. Instead, it is poised to reshape global geopolitics through energy market disruptions, the realignment of great powers’ relations, and the weakening of international institutions and norms. Ultimately, the choice between diplomacy and war is not merely a policy decision but a reflection of deeper systemic forces. Unless these structural drivers are addressed, the trajectory will continue to tilt towards prolonged instability rather than sustainable peace.
Dr Tarh Ntantang is the founder/CEO OF NTANTANG RESEARCH AND CONSULTING CENTER (NRCC), Yaounde, Cameroon. He is a global policy expert and practitioner in democracy support, peacebuilding, and governance, with over a decade of experience across Africa. He holds a doctorate in political economy and international affairs from the University of Yaounde 1. He is also a certified climate migration scholar at York University, Toronto, Canada.
