Answer: An Islamic Republic
Explanation: The Iranian or Islamic Revolution was the struggle to overthrow the Iranian monarch Mohammad Reza Shah Pahlavi. After the monarch was overthrown, the Islamic Republic or the theocratic republic was established headed by Ayatollah Ruhollah Khomeini, who was one of the leaders of the Revolution. Although various left-wing, secular movements and student organizations as well as religious organizations were involved in this revolution, the newly-formed republics had the characteristics of Islamic doctrine.
