What did the shanghai communiqué do?

a. explained why the united states and china had disagreed in the past
b. explained how the united states and china would work toward better relations
c. explained why the united states and china could not have good relations
d. explained how the united states and china planned to invade taiwan

The correct answer is the option B: Explained how the United States and China would work toward better relations.

Explanation:

The Shanghai Communiqué, formally known as the Joint Communiqué of the United States of America and the People's Republic of China, was a significant diplomatic document issued by the United States of America and the People's Republic of China on Febraury 28, 1972 that stated that both America and China were interested in working towards the normalization of their relations. It occurred during the visit of the United States Presidents Richard Nixon to China.