Why did the Chinese Communist Party gain support during the war against Japan?

During the war against Japan (1937–45), the Chinese Communist Party (CCP) gained significant support by effectively mobilizing the rural population and positioning itself as a primary force of resistance against the Japanese occupation.12

Several key factors contributed to this growth:

• Guerrilla Warfare: While the Nationalist government’s regular armies often retreated or were crushed, the CCP utilized its experience in guerrilla warfare to operate behind Japanese lines. They organized local populations to provide food, recruits, and sanctuaries for their forces.12
• Grassroots Mobilization: The CCP integrated village communities into local government and organized mass associations for farmers, laborers, youth, and women. This increased local participation and allowed the party to penetrate and control a vast number of villages.34
• Reformist Policies: To maintain unity against the common enemy, the CCP implemented reformist economic policies, such as mutual-aid teams that pooled resources to increase production. These teams often evolved into "work-and-battle" units that fought as guerrillas when necessary.34
• Nationalist Decline: As the Nationalist regime struggled with corruption, factionalism, and uncontrollable inflation, the CCP’s sense of mission and organizational success stood in stark contrast, attracting patriotic youths and rural activists.1