Summarize the following main ideas: a. Decline of the Tang Dynasty
b. The Song Dynasty

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The answer is below

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

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

united kingdom

portugal

france

germany