The correct answer is D. He declared Iran to be an Islamic republic.
Explanation:
Ayatollah Khomeini was an important authority for the Shia Islamic group and a politician from Iran. Khomeini is known because he was the leader of the Iranian Revolution that led to the end of monarchy in Iran and the establishment of Iran as the Islamic Republic in 1979, additionally, after the Iranian Revolution, Ayatollah Khomeini was also the supreme leader of the Islamic Republic, ending with the Persian monarchy that had ruled the territory during 2500 years. Thus, the statement that best describes Ayatollah Khomeini is that he declared Iran to be the Islamic Republic as he was the leader from the Islamic Revolution that led to the end of the monarchy and the political and religious leader that ruled the territory after the revolution.
