Complex sentence: United Nations Security Council Resolution 1747 tightening the sanctions imposed on Iran in connection with that nation's nuclear programme, was adopted unanimously by the United Nations Security Council (UNSC) on 24 March 2007.
Split into simpler sentences: United Nations Security Council Resolution 1747 was a United Nations Security Council resolution that tightened the sanctions imposed on Iran in connection with the Iranian nuclear program. It was adopted unanimously by the United Nations Security Council on 24 March 2007.