The United States advised and supported China's ground war, while basing only a few of its own units in China for operations against Japanese forces in the region and Japan itself. The primary American goal was to keep the Chinese actively in the Allied war camp, thereby tying down Japanese forces that otherwise might be deployed against the Allies fighting in the Pacific.
The United States confronted two fundamental challenges in the China theater. The first challenge was political. Despite facing a common foe in Japan, Chinese society was polarized.
