(A) ** Foreign nations must allow free trade to China
(B) The U.S must allow government officials to come into their homes
(C) Europeans must allow the U.S to trade with them
EXPLANATIONS BELOW
Concept note-1: -The Open Door policy was a statement of principles initiated by the United States in 1899 and 1900. It called for protection of equal privileges for all countries trading with China and for the support of Chinese territorial and administrative integrity.
Concept note-2: -Definition. The term “open door policy” refers to the proposition to keep trade in China open equally to trade with all countries, preventing any one nation from controlling trade in the region. The policy also called for powers to respect Chinese territorial integrity.
Concept note-3: -The Open Door Policy was a foreign policy regarding China that was written by United States Secretary of State John Hay, who served under President William McKinley. It stated that all foreign countries were to have equal trading rights with China.