The Iran Nuclear Deal (JCPOA) reached July 14, 2015 limited Iran’s nuclear program in exchange for sanctions relief, representing Obama’s signature foreign policy achievement. Trump withdrew May 8, 2018, reimposing sanctions and triggering regional escalation. Biden sought revival but talks stalled through 2023, leaving Iran closer to bomb than 2015.
The Negotiations (2013-2015)
Secret talks between U.S. and Iran began 2013. John Kerry and Iranian Foreign Minister Javad Zarif led P5+1 negotiations (U.S., UK, France, Russia, China, Germany). Two years of intense diplomacy culminated in 159-page agreement restricting Iran’s enrichment capacity, dismantling centrifuges, and establishing verification.
Terms: Iran reduced centrifuges from 19K to 6K, enrichment capped at 3.67% for 15 years, plutonium reactor redesigned, IAEA inspections. In return: phased sanctions relief worth $100B in frozen assets.
The Domestic Battle
Obama bypassed Senate via executive agreement (not treaty). Republicans unanimously opposed, warning Iran would cheat and use money for terrorism. AIPAC lobbied hard against. Israel’s Netanyahu addressed Congress (without White House invitation) condemning deal.
Congress couldn’t muster veto-proof majority to block. Deal took effect January 2016. IAEA verified Iran’s compliance.
Trump’s Withdrawal (May 8, 2018)
Despite repeated IAEA reports confirming compliance, Trump called it “worst deal ever” and withdrew, reimposing “maximum pressure” sanctions. European allies (France, Germany, UK) opposed withdrawal but lacked power to prevent U.S. secondary sanctions.
Iran remained in deal initially but gradually violated limits as economic pain increased: enriching to 20%, then 60% (near weapons-grade 90%), and accumulating stockpiles.
The Escalation Cycle
Trump’s policy triggered tit-for-tat escalation: U.S. killed General Soleimani (January 2020), Iran retaliated with missile strikes, Iran seized tankers, U.S. cyber-attacked nuclear facilities. By 2021, Iran was closer to breakout capacity than 2015.
Biden’s Revival Attempt (2021-2023)
Biden pledged to rejoin JCPOA but demanded stronger terms. Iran demanded sanctions relief first and compensation for Trump violations. Talks in Vienna yielded progress but stalled over verification, sanctions timing, and Iran’s regional activities.
By 2023, Iran enriched uranium to 83.7% (near weapons-grade), installed advanced centrifuges, and restricted IAEA cameras. The deal was functionally dead but neither side formally abandoned it.
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