In what way was the government of the tang and song dynasties the same

During the Tang and Song dynasties, China’s population nearly doubled, soaring to 100 million.  Tang and Song rule China had a  strong central government and a strictly ordered social structure based on Confucianism. The economy was also strong.

There were great achievements in the arts and architecture making it possible for China to influence other cultures, including that of Japan.

answer: the answer is b

explanation: i just took this quiz last week