A.)Democracy & Free trade
The indians had gathered in Amritstar to have a peaceful protest. (Non-violence) They were not armed. <span />
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.
In 1930, they invaded America.
