The reason behind the end of the Qin dynasty is death of emperor Qin Shi Huangdi.
Qin dynasty was a dynasty of china which established in 221 BC and last to till 206 BC. it was founded by Qin shi huang . The strength of the Qin state was greatly increased by the Legalist reform of Shang yang in forth century BC. The had unified structured centralized political power and a large military supported by a stable economy.
Qin shi huangdi or shi haung, was the founder of Qin Dynasty, and first emperor of china. he was the emperor of china from 221 to 210 BC. he was known for his army of terracotta warriors built to protect him for eternity, he was also known as a most controversial figure in history. he took major steps to change old feudal system, appointed officials to administer his new Empire and took several change to reform society.
Most of the empire revolted against newly emerged Qin empire. warlong Xiang YU in quick succession defeated the Qin army in battle, executed the emperor, destroyed the capital and split up the empire into 18 states.
hence, option 1 death of emperor shi huangdi was the reason behind end of Qin empire.
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