Chinese junks were some of the most technologically advanced ships of their time. These multiple-deck ships could carry up to

_______
people at a time. They also used
_______
to keep from sinking. These innovations enabled junks to contribute greatly to China's prosperity during the Tang and Song dynasties.

Chinese junks were some of the most technologically advanced ships of their time. These multiple-deck ships could carry up to thousands of people at a time. They also used watertight compartments to keep from sinking. These innovations enabled junks to contribute greatly to China's prosperity during the Tang and Song dynasties.