Answer:
To provide a uniform, stable currency
Answer:
the people did everything for them and tried to please them.
Explanation:
I believe it's "Laffer Curve".
During the Tang and Song dynasties, China’s population greatly increased due to the introduction of fast ripening rice. Fast ripening rice boosted China’s agricultural surplus, which paved the way for more specialization. Increased specialization in turn, led to a better economy