Question

What was an accomplishment by the Tang Dynasty of China?

The Tang rulers created the first paper currency in history.
The Tang rulers defeated Kublai Khan after a long war.
The Tang rulers expanded into the Mongol Empire.
The Tang rulers established a system of coinage.

Answer 1

can you narrow down the possible answers?

Answer 2

Tang Dynasty benefit from the accomplishments of the Sui- was the completion of the Grand Canal which provided a vital route for trade between the northern cities & the southern rice-producing region of the Chang delta.

Answer 3

i think that might help