In 1899, Secretary of State John Hay announced the Open Door Policy which can be best defined as a policy through which countries from all around the world including the United States were granted equal right to trade in the China Market.
Answer: D
Step-by-step explanation:
The Open Door Policy
The Open Door Policy was a statement of principles, issued in the form of a circular note by the Secretary of State John Hay in 1899 and 1900. It was circulated to the Great Britain, Italy, Japan, Germany and Italy for the equal privilege of trading in the China market.
The prime aim of the principle of the Open Door Policy was to provide equal allowance to all countries to all the ports open to trade in China.