It 's not permanent , so why is it a big deal ? France pulled support of Iran 's nuclear program during Islamic Revolution . Since the revolution , the West has believed Iran could produce atomic weapons . France , U.S. , UK , Russia , China , Germany -- and Iran -- have been negotiating together . The deal slows Iran 's development in exchange for lighter sanctions .
France pulled support of Iran 's nuclear program during Islamic Revolution . Since the revolution , the West has believed Iran could produce atomic weapons . France , U.S. , UK , Russia , China , Germany -- and Iran -- have been negotiating together . The deal slows Iran 's development in exchange for lighter sanctions .