Kublai Khan and The expansion of the Grand Canal finished with helps trade. Is that sentence of Kublai Khan Job Experience, Knowledge, Understands Me, Honest or Ethical, Tolerant? Please explain your answer, thank you :)

 The canal was built in order to easily ship grain from the rich farmland in southern China to the capital city in Beijing. This also helped the emperors to feed the soldiers guarding the northern borders. The Ancient Chinese built early canals to help with transportation and commerce. Kublai Khan promoted commercial, scientific, and cultural growth. He supported the merchants of the Silk Road trade network by protecting the Mongol postal system, constructing infrastructure, providing loans that financed trade caravans, and encouraging the circulation of paper banknotes. The Grand Canal is the world's longest canal. The Grand canal connects the Yellow River Valley and the Yangtze River Valley. The Grand canal enabled northern cities to buy rice from South China. The Grand Canal connects North China and South China.

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