What i think is that the Song Dynasty made the Exam System better, the reason i say that is because back then if you passed the test you will get a government job
The Song dynasty standardized competitive examination for civil service positions.
no one knows
Qin Shi Huang ordered Ancient China's road system during the Qin dynasty. This improved trade.
probally the Qin dynasty
The Qing dynasty adopted the Confucian system of bureaucracy, including the civil service exam. They also adopted the tributary system.
the song dynasty set up more schools. They also improved and expanded the exam to cover more practical subjects.
tang
the game is out. and... improved?
No, the Qin Dynasty made the Great Wall of China, but the Han Dynasty improved it a bit.
China (the Han dynasty)
cause
Scholar officials