Farmers, miners, railway workers – ordinary people stood as China's first line of defense during WWII. In Yangquan, they rose up during the Hundred Regiments Campaign, tearing up tracks, cutting off supply lines, slowing Japan's advance. Their fight embodied the Communist Party of China's strategy of mobilizing the masses in guerrilla warfare. CGTN's feature "The Main Eastern Battlefield: China in WWII" revisits this united front of resistance.