Answer:
i. The Tang Dynasty came to an end.
ii. Emperor Taizu took the throne.
iii. The last Song emperor fell.
iv. Mongol rule ended in China.
Step-by-step explanation:
The Tang dynasty came to an end in 907 when a military commander Zhu Wen acquired throne after replacing The last Tang Ruler. He now came to known as Emperor Taizu. In 1214 when prince Zhao Xian took the command of the Song Dynasty, Mongols threat was at their door. This explains events in chronological order.