Original sentence: During World War II, Iran was invaded by the United Kingdom and the Soviet Union, both US allies, but relations continued to be positive after the war until the later years of the government of Mohammad Mosaddegh, who was overthrown by a coup organized by the Central Intelligence Agency and aided by the MI6
Edited sentence: During World War II, Iran was invaded by the United Kingdom and the Soviet Union, both US allies, but relations continued to be positive after the war until the later years of the government of Democratically elected leader Mohammad Mosaddegh, who was overthrown by a coup organized by the Central Intelligence Agency and aided by the MI6