[Why] The Qin penal code was severe and cruel, and years of vast labor conscription crushed every breathing space of common life. The seed of rebellion was quietly germinating before the storm. [What] Chen Sheng and Wu Guang led nine hundred conscripts who were delayed by torrential rain at Dazexiang. Facing death under Qin law for being late, they raised the cry "Are kings, marquises, generals, and ministers a matter of birth?" and launched China's first peasant uprising. [Who] Chen Sheng was a grassroots leader with the swan's far-flying ambition, partnering closely with Wu Guang to rapidly establish a resistance regime. Cornered commoners and slaves with nowhere left to turn were the absolute backbone of this uprising. [How] The Dazexiang spark ignited the nationwide anti-Qin firestorm and definitively shattered the violent stability of the Qin state. It opened the tragic curtain on the rise of Chu and Han and the fall of the empire.
Why
The historic event of Dazexiang Uprising represents a key developmental peak of the Huaxia dynastic system. The spark that ignited total imperial collapse. By establishing this moral or administrative benchmark, it continues to shape the structural and philosophical fabric of ancient Chinese statecraft.