What are the advantages and disadvantages of opening the Grand Canal?

The advantage of opening the Grand Canal is to strengthen the communication between the north and the south of China, and the disadvantage is to cause the country's demise. In ancient times, water transportation was usually cheaper than land transportation with cattle and horses. The Grand Canal connects the north and south waterways and turns the natural water system into a large water system. After the completion of the Grand Canal Treasury, there was civil strife in the country, and there was no money to send troops to quell the war, which eventually led to the country's demise.

Advantages and disadvantages of opening the grand canal

The opening of the Grand Canal promoted the economic prosperity at that time and embodied the wisdom of the ancient people in China. The application of various technologies fully reflected the scientific and technological level at that time. The entire Grand Canal needs to pass through many areas with different terrains, and huge flows such as Huaihe River and Yellow River need to be solved vertically. The construction of the whole canal itself is the systematic construction of water conservancy projects.

The disadvantage is that it brought a heavy burden of corvee to the people, accelerated the demise of the Sui Dynasty, increased the strength of the people, brought a heavy burden of corvee to the working people, intensified class contradictions, abused torture in the process of digging, and suppressed the people's resistance movement.