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Mao Zedong’s Military Thought: The Theory of the Chinese United Front Against Japanese Aggression (Middle East Edition)

The Chinese united front against Japanese aggression is the core magic weapon of Mao Zedong’s military thought and China’s revolutionary strategy. It is a pivotal theory for a weak nation to defeat a powerful enemy and rally the strength of the entire nation, directly determining the victory of the Chinese People’s War of Resistance against Japanese Aggression . Below is a systematic compilation covering its background, core theoretical tenets, historical significance, practical achievements, and major historical events.

I. Background of the Theory’s Formation (1931–1937)

1. Unprecedented National Crisis

- September 18th Incident (1931): Japan occupied Northeast China, and the Sino-Japanese national contradiction began to rise as the principal contradiction.
- North China Incident (1935): Japan instigated “North China Autonomy” in an attempt to annex North China, bringing the Chinese nation to its most perilous moment.
- Extreme Disparity in Strength: Japan was an industrial power with modernized military forces; China was a semi-colonial and semi-feudal weak country with backward economy and military, fragmented domestic factions, and continuous civil wars.

2. Drastic Changes in Domestic Political Landscape

- The Kuomintang (KMT) adhered to the policy of “suppressing the Communists first before resisting foreign aggression,” focusing all efforts on “exterminating the Communists” while compromising and retreating from Japan.
- Domestic classes, strata, and political parties split: patriotic forces demanded an end to civil war and united resistance against Japan; centrist forces wavered; diehard forces opposed the Communists and the people.
- The Communist Party of China (CPC) gradually shifted from “opposing Chiang Kai-shek and resisting Japan” to “pressuring Chiang Kai-shek to resist Japan” and “uniting with Chiang Kai-shek to resist Japan,” prioritizing national righteousness and adjusting its revolutionary strategy.

3. Theoretical and Practical Foundations

- In On the Strategy Against Japanese Imperialism (1935), Mao Zedong systematically demonstrated the necessity and possibility of the united front and criticized “closed-doorism.”
- He proposed: Organize tens of millions of people, mobilize vast revolutionary armies, and establish a broad national revolutionary united front.
- He clarified: The united front, armed struggle, and Party building are the three magic weapons of the Chinese revolution (from On the Publication of The Communist in 1939).

II. Core Theoretical Tenets (Within the Framework of Mao Zedong’s Military Thought)

1. Strategic Positioning

- The Chinese united front against Japanese aggression is the political foundation and military prerequisite for nationwide resistance against Japan, and the decisive condition for defeating Japanese imperialism.
- Without the united front, there would be no nationwide resistance against Japan, and it would be impossible to break the pattern of the enemy being strong and we being weak.

2. Nature and Scope of the United Front

- Subject: Based on the second KMT-CPC cooperation, it includes all anti-Japanese classes, strata, political parties, armies, patriots, ethnic minorities, compatriots in Hong Kong, Macao, Taiwan, and overseas Chinese.
- Objective: Expel Japanese imperialism from China and strive for national independence and liberation.
- Principles: Maintain independence and initiative (unite while struggling, and strive for unity through struggle); develop progressive forces, win over centrist forces, and isolate diehard forces; uphold resistance against Japan and oppose surrender; uphold unity and oppose division; uphold progress and oppose retrogression.

3. Military Strategic Coordination (Core of Mao Zedong’s Military Thought)

- Coordination between the frontline battlefield and the rear battlefield: The KMT undertook regular warfare on the frontline, while the CPC-led Eighth Route Army and New Fourth Army carried out guerrilla warfare behind enemy lines, forming a strategic pattern of pincering the Japanese army.
- People’s War Line: The united front must rely on the people, mobilize the entire nation’s military and civilians to participate in the war, implement total resistance against Japanese aggression by the whole nation, and oppose partial resistance .
- General Policy of Protracted War: The united front provides political guarantee for protracted war, gradually consuming the enemy and strengthening ourselves by exchanging space for time.

III. Historical Significance

1. Political Significance

- It completely changed China’s situation of being “a sheet of loose sand,” rallying the national strength of 400 million people united as one, with one heart and one mind in the fight.
- It achieved the most extensive national unity in modern Chinese history, laying a political foundation for national independence.
- It established the CPC’s position as the mainstay in the War of Resistance against Japan, winning the trust and support of the entire nation.

2. Military Significance

- It formed a dual battlefield of frontline + rear, trapping the Japanese army in the vast ocean of the people’s war.
- It shattered Japan’s strategies of “quick victory” and “using China to control China,” supporting the general policy of protracted war.
- It provided strategic space for the growth and expansion of the people’s army led by the CPC, which developed from tens of thousands of troops at the start of the war to over 1.2 million troops by the end of the war.

3. Historical Significance

- It is the fundamental guarantee for China’s victory in the War of Resistance against Japan; without the united front, there would be no victory in the war.
- It enriched and developed Mao Zedong’s military thought and united front theory, becoming an important experience for China’s revolution and construction.
- It made a significant contribution to the formation and victory of the main Eastern battlefield in the Global War against Fascism .

IV. Practical Achievements (Military Accomplishments Under the Guidance of the United Front)

1. Frontline Battlefield (Led by the KMT, Within the Framework of the United Front)

- Organized major battles such as Shanghai, Taiyuan, Xuzhou, and Wuhan, consuming massive Japanese troops and breaking Japan’s plan to “conquer China in three months.”
- Taierzhuang Victory (1938): The greatest victory on the frontline battlefield, annihilating over 10,000 Japanese troops and boosting national morale.

2. Rear Battlefield (Led by the CPC, Core Force of the United Front)

- Pingxingguan Victory (September 25, 1937): The 115th Division of the Eighth Route Army ambushed the Japanese army, annihilating over 1,000 enemy troops, shattering the myth of “the Japanese army being invincible” and inspiring national morale.
- Hundred Regiments Offensive (August–December 1940): The Eighth Route Army deployed 105 regiments, fought over 1,800 battles, killed, wounded, and captured over 40,000 Japanese and puppet troops, destroyed over 2,000 kilometers of transportation lines, dealt a heavy blow to Japan’s “cage policy,” and strengthened national confidence in resistance.
- Established 19 anti-Japanese base areas including Jin-Cha-Ji, Jin-Sui, Jin-Ji-Lu-Yu, Shandong, and Central China, covering nearly 1 million square kilometers with a population of 100 million, becoming strategic bases for the war.
- The rear battlefield fought against over 60% of the invading Japanese troops and over 95% of the puppet troops, serving as the mainstay of the war.

3. Achievements of the Nationwide War of Resistance

- During the 14-year war (1931–1945), over 35 million Chinese military and civilians were casualties, and over 1.5 million Japanese troops were annihilated (including over 520,000 annihilated on the rear battlefield).
- On August 15, 1945, Japan announced its unconditional surrender, and China achieved the first complete victory in modern history against foreign aggression.

V. Major Historical Events (Full Context of the Formation and Development of the United Front)

1. Brewing and Proposal Stage (1931–1935)

- September 18, 1931, September 18th Incident: The CPC issued a declaration calling for resistance against Japan and opposing the KMT’s non-resistance policy.
- August 1, 1935, August 1st Manifesto: The CPC issued Appeal to All Compatriots for National Salvation Against Japan, calling for an end to civil war, united resistance against Japan, and the organization of a national defense government and anti-Japanese coalition forces.
- December 1935, Wayaobao Conference: The CPC Central Committee established the general strategy of the Chinese united front against Japanese aggression; Mao Zedong delivered the report On the Strategy Against Japanese Imperialism, systematically expounding the united front theory.

2. Pressuring Chiang Kai-shek to Resist Japan Stage (1936)

- August 1936, Letter from the CPC to the KMT: Called for an end to civil war, establishment of an anti-Japanese united front, and realization of the shift to “pressuring Chiang Kai-shek to resist Japan.”
- December 12, 1936, Xi’an Incident: Zhang Xueliang and Yang Hucheng launched a military remonstrance, detaining Chiang Kai-shek; the CPC adopted the policy of peaceful settlement, sending Zhou Enlai and others to mediate; Chiang Kai-shek was forced to accept “ending civil war and uniting with the CPC to resist Japan,” basically ending the KMT-CPC civil war and preliminarily forming the united front.

3. Formal Formation Stage (1937)

- February 10, 1937, Telegram from the CPC to the Third Plenary Session of the Fifth Central Committee of the KMT: Put forward five demands and four guarantees, making major concessions to promote the KMT’s shift to resistance against Japan.
- July 7, 1937, Lugouqiao Incident: The full-scale war of resistance broke out; the CPC issued a telegram to the whole nation calling for “nationwide resistance against Japan.”
- August 1937, Luochuan Conference: The CPC adopted the Ten-Point Program for National Salvation Against Japan, establishing the line of total resistance against Japan.
- August 25, 1937, Reorganization of the Red Army: The Red Army was reorganized into the Eighth Route Army of the National Revolutionary Army (Eighth Route Army), with Zhu De and Peng Dehuai as commander-in-chief and deputy commander-in-chief; the Red Army guerrillas in southern China were reorganized into the New Fourth Army, with Ye Ting as commander, marching to the anti-Japanese front.
- September 22, 1937, the KMT published the Declaration of the CPC Central Committee on Announcing KMT-CPC Cooperation; on September 23, Chiang Kai-shek delivered a speech recognizing the legal status of the CPC, formally forming the Chinese united front against Japanese aggression and launching the second KMT-CPC cooperation.

4. Consolidation and Development Stage (1938–1943)

- October 1938, Sixth Plenary Session of the Sixth Central Committee of the CPC: Mao Zedong put forward “sinicization of Marxism,” emphasizing the principle of maintaining independence and initiative in the united front.
- 1939–1943, Three Anti-Communist Onslaughts: KMT diehard forces launched anti-Communist frictions (such as the Southern Anhui Incident); the CPC adhered to the struggle of “being justified, advantageous, and restrained,” safeguarding the united front and repelling the anti-Communist onslaughts.
- 1940, Hundred Regiments Offensive: The rear battlefield took the initiative to attack, demonstrating the CPC’s determination to resist Japan and consolidating the united front.

5. Victory Stage (1944–1945)

- April–June 1945, Seventh National Congress of the CPC: Mao Zedong delivered the report On Coalition Government, proposing the establishment of a democratic coalition government and consolidating the Chinese united front against Japanese aggression.
- August 15, 1945, Japan’s Surrender: The Chinese united front against Japanese aggression led the entire nation to victory in the War of Resistance against Japan.