Overview On 31 March 2026 , U.S. President Donald Trump announced that the most difficult phase of the ongoing war involving the United States, Israel and Iran had been completed. He urged nations affected by the closure of the Strait of Hormuz to either buy oil from the United States or take direct action to secure shipments. Simultaneously, the Pentagon chief Pete Hegseth said diplomatic talks aimed at ending the conflict were progressing, even as the U.S.-Israeli military campaign entered its second month. Key Developments (Bullet Points) Trump’s statement that the "hard part" of the war is over and his call for oil purchases from the U.S. U.S.-Israeli airstrikes targeted a major Iranian pharmaceutical plant producing anaesthetic and cancer drugs. Four Israeli soldiers killed in combat with Hezbollah , raising Israeli casualties to ten. A blaze on a fully‑loaded Kuwaiti oil tanker at Dubai port was extinguished; damage assessment underway amid spill fears. Amir Sultan Air Base in eastern Saudi Arabia suffered drone attacks claimed by Iranian media. Iran rejected reports of ongoing negotiations, stating it received an unacceptable U.S. proposal and has put forward its own counter‑proposal . Important Facts The conflict, sparked by Iran’s alleged support to militant groups and its nuclear ambitions, has now expanded to include direct strikes on civilian infrastructure such as pharmaceutical facilities. The closure of the Strait of Hormuz threatens global oil supply, prompting Trump’s demand for alternative sourcing. The incident at the Dubai port underscores the risk of secondary environmental and economic fallout from the war. UPSC Relevance Understanding this multi‑layered crisis is vital for several GS papers: GS1 (History & International Relations) : The evolution of U.S.–Iran tensions, the role of proxy groups like Hezbollah , and the strategic importance of the Strait of Hormuz . GS2 (Polity & International Relations) : Decision‑making by the Pentagon , diplomatic negotiations, and the use of drone attacks as a modern warfare tool. GS3 (Economy & Energy Security) : Impact of the Strait of Hormuz closure on oil prices, and the potential shift in oil procurement strategies. GS4 (Ethics & Governance) : Humanitarian implications of targeting civilian pharmaceutical facilities and the ethical considerations of imposing oil embargoes. Way Forward For policymakers, the immediate priority is to de‑escalate hostilities through credible diplomatic channels, possibly by accepting Iran’s counter‑proposal or formulating a mutually acceptable framework. Simultaneously, ensuring the security of the Strait of Hormuz is essential to prevent a global energy crisis. Nations dependent on Gulf oil should diversify energy sources and bolster strategic petroleum reserves. Finally, monitoring the use of drone attacks on critical infrastructure will be crucial for shaping future defence and counter‑terrorism policies.