Answer:
e. met their ultimate demise at the hands of the Mongols.
Step-by-step explanation:
The Song dynasty (Chinese: 宋朝; pinyin: Sòng cháo; 960–1279) was an imperial dynasty of China which existed and lasted between 960 - 1279. The dynasty was founded by Emperor Taizu of Song after he overthrown the throne of the Later Zhou, which marks th end of the Five Dynasties and Ten Kingdoms period.
However, The Song dynasty often came into conflict with the contemporaneous Liao, Western Xia and Jin dynasties to its north. It was eventually conquered by the Mongol-led Yuan dynasty in 1297.
The Song dynasty's government was notable for many feats, some of which are:
1. The first in world history to issue banknotes or true paper money nationally
2. The first Chinese government to establish a permanent standing navy.
3. The first known to make use of gunpowder
4. The first dynasty to determine true north using a compass.