Answer
Mousavi was a part of the 1979 Iranian Revolution. The revolution was a result of widespread discontent with the Shah's rule, which was characterized by corruption, authoritarianism, and economic inequality. The revolution began in 1978 with a series of protests and demonstrations, which culminated in the overthrow of the Shah in 1979. The revolution brought about a new government led by Ayatollah Khomeini, who established an Islamic republic in Iran.