(A) to keep out the Japanese
(B) ** to keep out European spheres of influence
(C) to put down the Boxer Rebellion
(D) to end the Russo-Japanese War
EXPLANATIONS BELOW
Concept note-1: -It felt threatened by other powers’ much larger spheres of influence in China and worried that it might lose access to the Chinese market if it were to be partitioned. As a response, William Woodville Rockhill formulated the Open Door Policy to safeguard American business opportunities and other interests in China.
Concept note-2: -Why Was the Open Door Policy Created? Simply put, the United States was worried it was going to lose trading access with China, and it wanted a policy in place to protect its ability to continue trading with the Chinese.
Concept note-3: -The Open Door Policy was a clever move on the part of the United States to create trade opportunities between the U.S. and China while additionally asserting American interests in the Far East. In the short term, the Open Door Policy allowed the United States to expand its markets for industrialized goods.