Abstract
This month, top diplomats from Iran and six world powers have a historic opportunity to seal a long-sought, long-term comprehensive deal that guards against a nuclear-armed Iran and helps avoid a future military confrontation over its nuclear program.
The negotiation is one of the most important and complex nuclear negotiations in recent decades. Nevertheless, for the United States and the other members of the six-country group (China, France, Germany, Russia, and the United Kingdom), which is known as the P5+1, the goals are straightforward.
 
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