With the making of the Hitler-Stalin pact, the Soviet Union was at war on the side of Germany. The [[Communist Party of China|Chinese Communists]] (CCP) stopped fighting the Japanese in the ongoing [[Second Sino-Japanese War]], and resumed [[guerrilla]] operations against the [[Nationalist Party|Chinese National Government]] (KMT). The CCP devoted their energies to fighting the Chinese government for the portions of eastern China between the railroad lines, held by the Japanese. | With the making of the Hitler-Stalin pact, the Soviet Union was at war on the side of Germany. The [[Communist Party of China|Chinese Communists]] (CCP) stopped fighting the Japanese in the ongoing [[Second Sino-Japanese War]], and resumed [[guerrilla]] operations against the [[Nationalist Party|Chinese National Government]] (KMT). The CCP devoted their energies to fighting the Chinese government for the portions of eastern China between the railroad lines, held by the Japanese. |