During the time of those dynasties, China developed and innovated compass for navigation, bank notes, economic revolution and so on.
Explanation:
During the time of song and Tang era, the Chinese civilization developed a lot because this time led to the development of the compass for-navigation. The government also developed bank notes for the use. This was the time of economic revolution in the country.
The system of civil service examination was also given a lot of importance and criminal code was also developed. With the developments and these innovation, the civilization saw a lot of growth and development in the country and the thinking of people went forward and got modern. People improved their standards of living.
