Conversation so far:
What treaties did Richard Nixon form with China?
President Richard Nixon's 1972 visit to the People's Republic of China was an important strategic and diplomatic overture.
Who was the leader in China at the time of Richard Nixon's 1972 visit?
Chairman Mao Zedong
What agreements did Richard Nixon and Chairman Mao negotiate?
Henry Kissinger and Richard Nixon wanted help in resolving the Vietnam War. By dealing with Russia and with China they hoped to put pressure on Hanoi to negotiate seriously.
What were the successes Richard Nixon had in China?
The Chinese agreed to a peaceful settlement of the Taiwan question. The statement enabled the U.S. and PRC to temporarily set aside the crucial question obstructing the normalization of relations“.

Question: What were the reactions from the rest of the world to that news?
Self-contained rewrite: What were the reactions from the rest of the world to the news of Richard Nixon's 1972 visit to China?