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205
han
The Han Empire was divided into areas directly controlled by the central government, known as commanderies, and a number of semi-autonomous kingdoms. These kingdoms gradually lost all vestiges of their independence, particularly following the Rebellion of the Seven States. -
221
qin
During its reign over China, the Qin Dynasty achieved increased trade, improved agriculture, and military security. This was due to the abolition of landowning lords, to whom peasants had formerly held allegiance. The central government now had direct control of the masses, giving it access to a much larger workforce -
Feb 23, 1100
zhou
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Feb 23, 1500
shang dynsty
