Shuaye
https://billofrightsinstitute.org/essays/richard-nixon-opens-diplomatic-relations-with-china
"Nixon-Diplomacy w China-Feb 21-28, 1972. Nixon was the 1st prez to visit the People’s Republic of China (PRC) and he dubbed the visit “the week that changed the world.” He met w Mao, toured the Great Wall w 1st Lady Pat Nixon and attended a banquet in his honor w Premier Zhou Enlai."
Also https://history.state.gov/milestones/1899-1913/hay-and-china - "Sec of State John Hay's Open Door re China 1899–1900: in a series of notes, 1899–1900, Hay wrote the concept of the “Open Door” in China. The Open Door Notes secured internat'l agreement to the US policy of equal opportunity for internat'l trade and commerce in China, and respect for China’s administrative and territorial integrity. British and American China policies had long operated under similar principles, but once Hay put them into writing, the Open Door became the official US Far East policy in the 1st half of the 1900s"