美国及其盟友将8月底定为达成伊核协议的最后期限

Core Points - The U.S. and its allies have set the end of August as the final deadline for reaching a nuclear agreement with Iran [1] - If an agreement is not reached by the deadline, the three European powers plan to activate a "snapback" mechanism to automatically reinstate all sanctions lifted under the 2015 Iran deal [1] - The activation of the "snapback" mechanism requires a 30-day process, and Europe aims to complete this before Russia assumes the rotating presidency of the UN Security Council in October [1]