Britain, France, and Germany, collectively known as the EU3, have triggered a dispute resolution mechanism which is part of the 2015 nuclear deal with Iran, to force Tehran into discussions on how to salvage the, or JCPOA, which suffered a blow when U.S. President Donald Trump, who was critical of the deal, took the United States out of it in 2018. Tehran says the European signatories have not fulfilled their part of the deal. VOA's Zlatica Hoke reports.


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