U.S. pulled support of Iran 's nuclear program during Islamic Revolution . Sanctions relief will also target other areas , including government funds from restricted Iranian accounts for its students in other countries . Since the revolution , the West has worried Iran may produce atomic weapons . France , U.S. , UK , Russia , China , Germany -- and Iran -- have been negotiating deal . The talks are ongoing but progress is slow because there are many issues to resolve before a final agreement can be reached.
U.S. pulled support of Iran 's nuclear program during Islamic Revolution . Since the revolution , the West has worried Iran may produce atomic weapons . France , U.S. , UK , Russia , China , Germany -- and Iran -- have been negotiating deal . The talks are ongoing but progress is slow because there are many issues to resolve before a final agreement can be reached.