The correct option is C) the canal made more goods available to the masses
Explanation:
The Grand Canal can be considered as one of the effective reasons which worked to unite China into one unified nation. Through the Grand Canal, a way was established for commerce and transportation between North China and South China. The formation of the Grand Canal made it possible to move ships around the two major river system.
Although many people were killed and others had to make sacrifices for the formation of the Grand Canal, but still the formation was a whole lot beneficial.