Prior to the iranian revolution, ayatollah khomeini mohammad reza pahlavi saddam hussein was the main opposition ruler to the government

The correct answer is "Ayatollah Khomeini".

The Iranian revolution was a series of events that led to the end of the Monarchy in Iran in 1979. King Mohammed Reza, whose regime was backed by the US government, was overthrown of power by a revolutionary Islamic group led by Ayatollah Khomeini. Reza left for exile on January 16, 1979, and Khomeini would become the president of the newly formed Islamic Republic of Iran on April 1st of that same year.

i believe the answer would be 1.

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."