The Open Door Policy declared America's intent to safeguard China's political and economic integrity and open Chinese markets to all nations.
Answer: Option D
Explanation:
Open Door Policy, a response by the United State of America after realizing the need for safeguarding China’s political and economic integrity and open Chinese markets to all nations.
This was a joint action taken by the United States of America along with nations like Italy, Japan, Germany, Russia and France. This is considered as a milestone in the external affairs policies of the United State of America. This policy was taken in 1899 and 1900.
