Answer:
During the Song dynasty the emperors expanded both examinations and the government school system, in part to counter the influence of military aristocrats, increasing the number of degree holders to more than four to five times that of the Tang.
Explanation:
Just a few of these advancements included improvements in agriculture, development of moveable type, uses for gunpowder, invention of a mechanical clock, superior shipbuilding, the use of paper money, compass navigation, and porcelain production.
