US and Iran Reach Preliminary Agreement to End War and Reopen Strait of Hormuz

The United States and Iran have reached a preliminary agreement to end their 15-week war, marking a sudden diplomatic breakthrough in a conflict that has rattled global energy markets and devastated the region. President Donald Trump announced the deal from the Group of Seven summit in Evian-les-Bains, France, declaring an immediate end to the US naval blockade on the Strait of Hormuz. The framework, formalized as a Memorandum of Understanding (MOU), halts military operations and sets the stage for a comprehensive treaty.[2][5]

The initial agreement was signed digitally on Sunday by President Trump, Vice President JD Vance, and Iranian Parliament Speaker Mohammad Bagher Ghalibaf. A formal, in-person signing ceremony is scheduled to take place in Geneva, Switzerland, on Friday. While the full text of the MOU has not yet been released to the public, officials indicate it establishes a 60-day window for intensive negotiations regarding Iran's nuclear program and the lifting of international sanctions.[3][5]

A central pillar of the immediate ceasefire is the reopening of the Strait of Hormuz, a critical maritime chokepoint through which a fifth of the world's oil supply passes. Trump stated that the strait would be "completely open" and toll-free by Friday, authorizing the removal of the US naval blockade. "Ships of the World, start your engines. Let the oil flow!" the president wrote on social media, prompting an immediate dip in global oil and crop prices.[2][4]

The international community responded with cautious optimism. A joint statement from the leaders of the UK, France, Germany, and over a dozen other nations welcomed the diplomatic breakthrough. The coalition offered to assist with mine clearance operations in the Strait of Hormuz to reassure commercial shipping lines that the waters are safe to navigate, emphasizing that unrestricted freedom of navigation is essential for stabilizing the global economy.[7]

Despite the relief in global markets, the Trump administration faces significant pushback from its own party in Washington. Senate Republicans returning to the Capitol expressed deep skepticism over the lack of transparency surrounding the deal. Senate Majority Leader John Thune noted that he had not been personally briefed on the agreement, stating that lawmakers need to understand the exact conditions placed on any financial incentives offered to Tehran.[1][6]

The controversy centers on reports that the agreement includes the unfreezing of Iranian assets and the establishment of a $300 billion reconstruction fund, reportedly financed by neighboring Gulf states. Critics, including prominent Republican hawks, argue that releasing funds to Iran without first dismantling its nuclear infrastructure is a dangerous concession. Senator Lindsey Graham expressed concern over discrepancies between how Washington and Tehran are describing the preliminary terms.[1][8]

Vice President JD Vance has vigorously defended the administration's approach, pushing back against early criticisms. In a series of interviews, Vance insisted that the MOU is a "very general document" and that the specifics of the deal will be hammered out during the technical negotiation phase. He emphasized that Iran will not receive "a dime of money" unless it strictly performs its obligations, which include allowing international nuclear inspectors to return to the country.[1][4][6]

In Tehran, the agreement is being framed as a necessary step toward economic relief. Iranian Deputy Foreign Minister Kazem Gharibabadi confirmed the finalization of the text, noting that the upcoming 60-day negotiation period will focus heavily on sanctions relief. However, Iranian Foreign Minister Abbas Araghchi struck a highly cautious tone, citing a "history of broken commitments" by the United States and warning that Iran will not tie its entire economy to the success of these negotiations.[4][5]

The MOU also attempts to address the broader regional conflict by including provisions for a ceasefire in Lebanon, where Israeli forces have been engaged in heavy fighting with Hezbollah. However, this aspect of the agreement has immediately hit a major roadblock. Israeli Prime Minister Benjamin Netanyahu reportedly informed the Trump administration that Israeli forces will not withdraw from Lebanon and do not consider themselves bound by the Lebanon-related clauses of the US-Iran pact.[2][3][5]

US officials have clarified that the MOU between Washington and Tehran is not strictly conditioned on an Israeli Defense Forces withdrawal from Lebanon, highlighting the fragmented nature of the regional war. While the US and Iran may halt direct hostilities, the parallel conflict between Israel and Iran's proxy network appears likely to continue, complicating the broader peace effort.[3][5]

As diplomats prepare for the formal signing ceremony in Geneva, the pressure is mounting to translate the broad strokes of the MOU into a binding, verifiable treaty. Negotiators have just 60 days to resolve decades-old disputes over uranium enrichment levels, the status of highly enriched stockpiles, and the mechanics of sanctions relief. If the talks collapse, the region risks plunging back into a devastating war.[3][8]