Answer :

jashae
cause american established a sphere of influence instead of creating the Open Door policy, american  only become part of China's problems. It may have made the Chinese people resent us more. By establishing the Open Door policy, we soothed Chinese concerns AND secured our economical strength in China because we did not have to actively compete with other spheres of influence.

Answer:

to ensure that it could conduct trade with and exert influence in China

Explanation: