Answer:
The Sui and Tang Dynasties (581-907) were collectively referred to as the Sui Dynasty (581-618) and the Tang Dynasty (618-907), and were also one of the most prosperous periods in Chinese history. It is the two great unification dynasties after two long periods of Wuhu Chaohua and the Northern and Southern Dynasties. It is relatively open in national thought. The two dynasties achieved unprecedented development in politics, military, culture, economy, and technology. The monarchs of the Sui and Tang dynasties were more enlightened in their governance policies, which also influenced neighboring countries to pay tribute and learn from China.
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