Final answer:
The Grand Canal facilitated China's growing economy by connecting the north and south, providing water for irrigation, and encouraging the development of cities and trade.
Step-by-step explanation:
The Grand Canal facilitated China's growing economy in several ways:
- It connected the north and south of China, making it easier to transport goods and people.
- It provided water for irrigation, which increased agricultural productivity.
- It encouraged the development of cities and trade along its route.
All of these factors contributed to the growth of China's economy during that time.