The Dao. I took a test on this a few days ago. It should be the right answer. I hope it helps.
D - it’s the strongest answer and it a fact
Answer:
The primary reason the US advocated the Open Door Policy was to protect and broaden US trade with China. This policy was put into effect in the early 20th century after the Boxer Rebellion in China. It hastened the end of the last dynasty in Chinese history.
