Answer:
Iranian Revolution, also called Islamic Revolution, Persian Enqelāb-e Eslāmī, popular uprising in Iran in 1978–79 that resulted in the toppling of the monarchy on February 11, 1979, and led to the establishment of an Islamic republic.
Explanation: Step by step
Existence of sharp economic differences between social classes
C would be the most correct answer
Augustus was a Roman emperor who changed the Roman empire from being a democracy into a monarchy again. This is seen as his greatest contribution. Augustus ruled for nearly fifty years. He reinstated some of the ancient traditions, built many monuments, as well as advanced the cultural aspects of the Roman empire. Many influential Latin writers developed their styles during this period. It is believed that the Pantheon was built during his reign. He rebuilt the city of Rome. The Roma
D is false. All the other answers are tied together. A major reason for imperialism was to spread the Christian religion. When Europe colonized North and South America, they forced many of the natives to convert to Christianity