What impact did the building of canals have in China during the Song and Tang dynasties?(1 point)

Question

Responses

The canals were eventually used for military routes.
The canals were eventually used for military routes.

The canals made it easier for neighboring nations to attack China.
The canals made it easier for neighboring nations to attack China.

The canals connected waterways which increased trade.
The canals connected waterways which increased trade.

The canals improved irrigation systems in the rice fields.

Answer 1

The canals connected waterways which increased trade.