The vast majority of the world's attention today follows the section of the Beijing-Hangzhou Grand Canal that was dug on the basis of the Grand Canal of the Sui Dynasty. This has given the Grand Canal - an important vehicle for the transmission of ancient civilization - a new historical meaning. What was the main role played by the Grand Canal during the Sui Dynasty at that time?

Respuesta :

Answer:

Significantly promote North-South economic exchange  

Explanation: