The United States wants Japan to get rid of the clause. The reason behind them wanting to do this is for Japan to rise in the region in response to China. China is becoming very powerful in the region and has a lot of influence over the region and the US would like Japan to deter China's influence.
Answer:
I believe the answer would be A hope this helps :3!
Explanation:
Possibly allies and they way they interacted with other countries, by trade etc. and strengthening their economy for war.