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Today, we believe that there are initiatives that, taken together, have the potential to reshape the Middle East and could even help create the foundations of a new order.

First, the agreement that we reached with Iran. As of this week, Iran’s nuclear weapons program is being rolled back in important ways. On Monday, Iran took a series of steps that the world has long demanded, including reducing its stockpile of 20 percent enriched uranium, disabling the infrastructure for its production, and allowing unprecedented transparency and monitoring to guarantee Iran is complying with the agreement.

They will have to reduce their 20 percent to zero, and they do not have and will not have the capacity for reconversion. They will have to reduce it to forms that are not suitable for making weapons. Iran must also halt enrichment above 5 percent and it will not be permitted to grow the current stockpile of 3.5 percent enriched uranium. Iran cannot increase the number of centrifuges that are in operation, and it cannot install or use any next-generation centrifuges to enrich uranium. And while we negotiate a final agreement over these next months, Iran will not be permitted to take any steps to commission the Arak plutonium reactor.

Now clearly, there are good reasons to ask tough questions of Iran going forward – and believe me, we will – and good reasons to require that the promises Iran made are promises kept. Remember – we certainly haven’t forgotten – there is a reason that world has placed sanctions on Iran. There’s a reason why they exist in the first place. And there’s a reason why the core architecture of those sanctions remains in place. And that is why this effort is grounded not in trusting, not in words, but in testing. And that is why now inspectors can be at Fordow every day.

That wasn’t the case before the agreement we struck. Inspectors can now also be at Natanz every day. That’s also new, thanks to the agreement we struck. And inspectors will visit Arak plutonium plant every month, and they are under an obligation to deliver the plans for that plant to us.

Taken altogether, these elements will increase the amount of time that it would take for Iran to break out and build a bomb – the breakout time, as we call it – and it will increase our ability to be able to detect it and to prevent it. And all of this will to an absolute guarantee beyond any reasonable doubt make Israel safer than it was the day before we entered this agreement, make the region safer than it was the day before we entered this agreement, and make the world safer than it was.

Now yesterday, President Rouhani stood here and he said that Iran is eager to engage with the world, and hopefully. But Iran knows what it must do to make that happen. He told you that Iran has no intention of building a nuclear weapon. Well, while the message is welcome, my friends, the words themselves are meaningless unless actions are taken to give them meaning. Starting now, Iran has the opportunity to prove these words beyond all doubt to the world.

Now, let’s be clear: If you are serious about a peaceful program, it is not hard to prove to the world that your program is peaceful. For sure, a country with a peaceful nuclear program does not need to build enrichment facilities in the cover of darkness in the depth of a mountain. It doesn’t need a heavy water reactor designed to produce weapons-grade plutonium, like the one at Arak. It has no reason to fear intrusive monitoring and verification. And it should have no problem resolving outstanding issues with the International Atomic Energy Agency.

This is true for every country in the world with an exclusively peaceful nuclear program. And it is the tough but reasonable standard to which Iran must also be held.

So we welcome this week’s historic step. But now the hard part begins, six months of intensive negotiations with the goal of resolving all the international community’s concerns about Iran’s nuclear program. I want to say that the P5+1 has acted in unity, in great cooperation, and we welcome the international community’s efforts that has characterized this initiative.

So Iran must meet this test. If it does, the Middle East will be a safer place, free from the fear of a nuclear arms race. And diplomatic engagement, my friends, backed by sanctions and other options, will have proved its worth.

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