Why did the US want to eliminate spheres of influence in china?

The United States wanted to eliminate spheres of influence in China because it wanted to maintain an "Open Door Policy," which would allow all countries equal access to trade with China. The United States believed that spheres of influence would give some countries an unfair advantage in trading with China, and that this would hurt American businesses.

To preserve China's sovereignty and territorial integrity

The United States also wanted to eliminate spheres of influence in China to preserve China's sovereignty and territorial integrity. The United States believed that spheres of influence would eventually lead to the partition of China, and that this would be a disaster for China and for the world.

To prevent the rise of Japan

The United States also wanted to eliminate spheres of influence in China to prevent the rise of Japan. The United States believed that Japan was the most likely country to take advantage of China's weakness and establish a dominant position in East Asia. The United States wanted to prevent this from happening because it would upset the balance of power in the region and could lead to war.