Answer:
The answer is below
Step-by-step explanation:
a. Decline of the Tang Dynasty
The decline of the Tang Dynasty is believed to have been caused by series of rebellious acts which was as a result of poor living conditions compounded by the imposition of heavy taxes on citizens and subjects to maintain the cost of governance and huge military operation in the dynasty.
In 907, Military Zhu Wen finally expelled and killed the last Emperor of the Tang Dynasty, Emperor Ai of Tang.
Zhu Wen then immediately assume the vacant throne.
B. Song Dynasty
The Song Dynasty existed between 960 to 1279.
It succeeded the Later Zhou and preceded the Yuan dynasty.
It was started by Emperor Taizu
It was characterized by robust social life and expanded trading activities.
It has two main districts; northern and southern districts
At the Battle of Yamen, the Song dynasty was eventually conquered by the Kublai Khan armies