(A) President McKinley in 1900
(B) ** Secretary of State John Hay in 1899
(C) President Garfield in 1880
(D) Andrew Carnegie in 1892
EXPLANATIONS BELOW
Concept note-1: -Secretary of State John Hay first articulated the concept of the Open Door in China in a series of notes in 1899–1900.
Concept note-2: -The Open Door policy began with the issuance of a circular (diplomatic note) by U.S. Secretary of State John Hay to Great Britain, Germany, France, Italy, Japan, and Russia on September 6, 1899.
Concept note-3: -Secretary of State John Hay first articulated the concept of the “Open Door” in China in a series of notes in 1899–1900.
Concept note-4: -US Secretary of State John Hay created the Open Door Policy in 1899/1900 in order to allow the US, Japan, and select European countries equal trade access to China, a country that previously had no trade agreements.
Concept note-5: -The Open Door Policy was a major statement of United States foreign policy issued in 1899 and 1900 intended to protect the rights of all countries to trade equally with China and confirming multi-national acknowledgment of China’s administrative and territorial sovereignty.