The United Front against Japan
Fearing that China would be plunged into renewed disorder if Chiang were killed, the nation clamoured for his release. The Soviet Union quickly denounced the captors and insisted that Chiang be freed (the Soviet Union needed a united China opposing Japan, its potential enemy on the east). The CCP leaders also decided that Chiang’s release would serve China’s interests as well as their own, if he would accept their policy against Japan. Zhou Enlai and several other communist leaders flew to Xi’an to try to effect this. Zhang Xueliang finally agreed to free his captive, with the understanding that Chiang would call off the civil war and unite the country against the invader. On December 25 Chiang was freed.
The two Chinese parties began protracted and secret negotiations for cooperation, each making concessions. But it was not until September 1937, after the Sino-Japanese War had begun, that the Nationalist government formally agreed to a policy of cooperation with the CCP. For its part, the CCP publicly affirmed its adherence to the realization of Sun Yat-sen’s Three Principles of the People, its abandonment of armed opposition to the KMT and of the forcible confiscation of landlords’ property, the substitution of democracy for its soviet government, and the reorganization of the Red Army as a component of the national army under the central government.
The late republican period
The war against Japan (1937–45)
The Sino-Japanese War
On July 7, 1937, the Marco Polo Bridge Incident, a minor clash between Japanese and Chinese troops near Beiping (Beijing’s name under the Nationalist government), finally led the two countries into war. The Japanese government tried for several weeks to settle the incident locally, but China’s mood was highly nationalistic, and public opinion clamoured for resistance to further aggression. In late July, new fighting broke out. The Japanese quickly took Beiping and captured Tianjin. On August 13 savage fighting broke out in Shanghai. By now the prestige of both nations was committed, and they were locked in a war.
Phase one
As never before in modern times, the Chinese united themselves against a foreign enemy. China’s standing armies in 1937 numbered some 1.7 million men, with a half million in reserve. Japan’s naval and air superiority were unquestioned, but Japan could not commit its full strength to campaigns in China; the main concern of the Japanese army was the Soviet Union, while for the Japanese navy it was the United States.
During the first year of the undeclared war, Japan won victory after victory against sometimes stubborn Chinese resistance. By late December, Shanghai and Nanjing had fallen, the latter city being the site of the infamous Nanjing Massacre (December 1937–January 1938) perpetrated by Japanese troops. However, China had demonstrated to the world its determination to resist the invader; this gave the government time to search for foreign support. China found its major initial help from the Soviet Union. On Aug. 21, 1937, the Soviet Union and China signed a nonaggression pact, and the former quickly began sending munitions, military advisers, and hundreds of aircraft with Soviet pilots. Yet Japanese forces continued to win important victories. By mid-1938 Japanese armies controlled the railway lines and major cities of northern China. They took Guangzhou on October 12, stopping the railway supply line to Wuhan, the temporary Chinese capital, and captured Hankou, Hanyang, and Wuchang on October 25–26. The Chinese government and military command moved to Chongqing (Chungking) in Sichuan, farther up the Yangtze and behind a protective mountain screen.
At the end of this first phase of the war, the Nationalist government had lost the best of its modern armies, its air force and arsenals, most of China’s modern industries and railways, its major tax resources, and all the ports through which military equipment and civilian supplies might be imported. However, it still held a vast though largely undeveloped territory and had unlimited manpower reserves. So long as China continued to resist, Japan’s control over the conquered eastern part of the country would be difficult.
Phase two: stalemate and stagnation
During the second stage of the war (1939–43), the battle lines changed only slightly, although there were many engagements of limited scale. Japan tried to bomb Free China into submission; Chongqing suffered repeated air raids in which thousands of civilians were killed. In 1940 Japan set up a rival government in Nanjing under Wang Ching-wei. But the Chinese would not submit. Hundreds of thousands migrated to western China to continue the struggle. Students and faculties of most eastern colleges took the overland trek to makeshift quarters in distant inland towns. Factories and skilled workers were reestablished in the west. The government rebuilt its shattered armies and tried to purchase supplies from abroad.
In 1938–40 the Soviet Union extended credits for military aid of $250 million, while the United States, Great Britain, and France granted some $263.5 million for civilian purchases and currency stabilization. Free China’s lines of supply were long and precarious; when war broke out in Europe, shipping space became scarce. After Germany’s conquest of France in the spring of 1940, Britain bowed to Japanese demands and temporarily closed Rangoon, Burma (Yangôn, Myanmar), to military supplies for China (July–September). In September 1940 Japan seized control of northern Indochina and closed the supply line to Kunming. The Soviet Union had provided China its most substantial military aid, but, when Germany attacked the Soviet Union in June 1941, this aid virtually ceased. By then, however, the United States had sold China 100 fighter planes—the beginning of a U.S. effort to provide air protection.
In addition to bombing, the civilian population in Free China endured other hardships. Manufactured goods were scarce, and hoarding drove up prices. The government did not have the means to carry out rationing and price control, though it did supply government employees with rice. The government’s sources of revenue were limited, yet it supported a large bureaucracy and an army of more than three million conscripts. The government resorted to printing currency inadequately backed by reserves. Inflation grew until it was nearly uncontrollable. Between 1939 and 1943 the morale of the bureaucracy and military officers declined. Old abuses of the Chinese political system reasserted themselves—factional politics and corruption, in particular. The protracted war progressively weakened the Nationalist regime.
The war had the opposite effect upon the CCP. The communist leaders had survived 10 years of civil war and had developed a unity, camaraderie, and powerful sense of mission. They had learned to mobilize the rural population and to wage guerrilla warfare. In 1937 the CCP had about 40,000 members and the poorly equipped Red Army numbered perhaps 100,000. By agreement with the Nationalist government, the Red Army was renamed the Eighth Route Army (later the Eighteenth Army Group); Zhu De and Peng Dehuai served as commander and vice commander, and Lin Biao, Ho Lung, and Liu Bocheng were in charge of its three divisions. The communist base in the northwest covered parts of three provinces with an undeveloped economy and a population of about 1.5 million. Operating within the general framework of the United Front against Japan, the leaders of the Eighth Route Army adopted a strategy that used their experience in guerrilla warfare. They sent small columns into areas of northern China that the Japanese army had overrun but lacked the manpower to control; there they incorporated remnant troops and organized the population to supply food, recruits, and sanctuaries for guerrilla units attacking small Japanese garrisons.