How did the construction reflected in Source 1 influence China’s development in the 15th–18th centuries?
Emperors were not able to properly manage the rapid expansion of travel and trade.
Emperors were not able to control renegade merchants and pirates on the waterways.
Emperors were able to unite disparate groups through the rapid expansion of travel and trade.
Emperors were able to mitigate inflation through regulatory toll measures along the waterways.