Final answer:
Under the leadership of Deng Xiaoping, China normalized relations with the United States.
Step-by-step explanation:
Under the leadership of Deng Xiaoping, China normalized relations with the United States. In 1972, President Richard Nixon made a historic visit to China, which paved the way for the resumption of diplomatic relations between the two countries. This was a significant moment in history as it ended China's isolation and opened up new opportunities for trade and cooperation between China and the world.