Why did Trump withdraw from the Iran nuclear deal (JCPOA) and what were the consequences?
Short Answer
Donald Trump withdrew from the JCPOA in May 2018, calling it the 'worst deal ever negotiated.' His stated reasons included the deal's sunset clauses, its failure to address Iran's ballistic missile programme, and its failure to restrict Iran's regional activities. Critics argued the withdrawal was primarily driven by opposition to anything associated with Obama and by Israeli and Saudi pressure. The consequences were severe: Iran resumed enrichment beyond treaty limits, the assassination of Qasem Soleimani followed, and the region escalated toward the 2025 war.
Detailed Explanation
The JCPOA (Joint Comprehensive Plan of Action) was signed in July 2015 after two years of negotiations between Iran and the P5+1 (USA, UK, France, Russia, China, Germany). Independent arms control experts and the IAEA confirmed Iran was fully complying with its obligations when Trump withdrew.
Trump's Stated Reasons
Trump described the deal as "decaying and rotten" on withdrawal day. His specific objections:
- Sunset clauses — certain restrictions on Iran's enrichment programme were set to expire after 10–15 years
- Ballistic missiles — the deal did not address Iran's missile development programme
- Regional behaviour — the deal did not restrict Iran's support for Hezbollah, the Houthis, or other regional proxies
- Inspections — Trump claimed Iran could stall inspections of military sites (inspectors disputed this)
The Unstated Reasons
Multiple analysts and former officials have pointed to additional factors:
- The deal was Obama's signature foreign policy achievement. Trump had vowed to dismantle Obama's legacy systematically.
- Israeli Prime Minister Netanyahu lobbied aggressively for withdrawal. In April 2018, days before Trump's decision, Netanyahu held a dramatic press conference claiming to have stolen Iranian documents proving a secret weapons programme (experts noted these documents were decades old and already known to the IAEA).
- Saudi Arabia, which views Iran as its primary regional rival, strongly supported withdrawal.
- John Bolton (National Security Advisor) and Mike Pompeo (Secretary of State) were ideologically committed to regime change in Iran and believed the JCPOA legitimised the Islamic Republic.
What Happened After Withdrawal
Trump reimposed broad sanctions — the so-called "maximum pressure" campaign — designed to bring Iran's economy to its knees and force renegotiation on American terms. Instead:
- Iran's economy contracted sharply. Inflation soared. Ordinary Iranians bore the greatest suffering. The regime did not fall.
- After one year of waiting for European powers to compensate Iran for US sanctions violations, Iran incrementally abandoned JCPOA restrictions — resuming 60% enrichment, installing advanced centrifuges, reducing IAEA access
- January 2020: Trump ordered the assassination of General Qasem Soleimani in a drone strike at Baghdad airport. Iran responded with missile strikes on US bases in Iraq (no American deaths, but over a hundred suffered traumatic brain injuries — initially dismissed by Trump as "headaches")
- European signatories tried to salvage the deal through a special payment mechanism (INSTEX) but it processed almost no transactions
- Biden attempted to renegotiate re-entry but talks stalled over Iranian demands that the US offer guarantees no future president could withdraw again — a constitutional impossibility
The Strategic Balance Sheet
As of 2025, Iran had enriched uranium far beyond any level permitted under the JCPOA. The "maximum pressure" strategy achieved the opposite of its stated goal: instead of a Iran with zero enrichment and a crippled programme, the world now faces an Iran closer to weapons-threshold capability than at any point in the JCPOA era. This is the consensus assessment of Republican and Democrat-affiliated foreign policy analysts alike.