Complex sentence: President Bill Clinton threatened military action if the Iranians did not release the American hostages, the Iranians refused leading to the One Hour War between Iran and the United States, after rockets bombarded the Iranian coast for one hour Iran surrendered and turned over the hostages.
Split into simpler sentences: President Bill Clinton threatened military action if the Iranians did not release the American hostages. After rockets bombarded the Iranian coast for one hour Iran surrendered and turned over the hostages.