Despite its long history, the Great Wall of China as it is exists today was constructed mainly during the mighty Ming Dynasty (1368-1644). Like the Mongols, the early Ming rulers had little interest in building border fortifications, and wall building was limited before the late 15th century.
Likewise, why was the Grand Canal built in China?
China's first great canal system, which created a northeast-southwest link from the Huang He (when the Huang had a northern course) to the Huai River, was built beginning in 605 during the Sui dynasty (581–618).
How many years did it take to complete the Grand Canal?
As the oldest and longest man-made canal in the world, the Beijing-Hangzhou Grand Canal is 1,794 kilometers (1,115 miles) long with a history of over 2,500 years, and it starts at Beijing in the north and ends at Hangzhou in the south, running through Tianjin, Hebei Province, Shandong Province, Jiangsu Province and
Who was the Song dynasty overthrown by?
The Mongol conquest of the Song dynasty under Kublai Khan (r. 1260–1294) was the final step for the Mongols to rule the whole of China under the Yuan dynasty.