题目选项分析

In his nearly three decades as the Premier of the People's Republic of China, Zhou Enlai set in motion processes that had a major impact on U.S.-China relations: Zhou urged China to enter the Korean War against the United States, and two decades later he orchestrated Nixon's visit and the accompanying normalization of US-China diplomatic connections

In his nearly three decades as the Premier of the People's Republic of China, Zhou Enlai set in motion processes that had a major impact on U.S.-China relations: the US fought against China in the Korean War, because Zhou urged them, and two decades later, Nixon visited China and normalized US-China diplomatic connections, again because of him