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They were in peace negotiations with Japan and weren't expecting it.
The answer is: Runners allowed villages and cities throughout the empire to communicate quick with rulers far away.
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The government appeared to be unable or unwilling to respond with aid
Tea was not only used as a beverage but also for medicinal purposes, paper and printing allowed for record keeping and communication, gunpowder was used as a propellant in firearms and explosives during warfare, and the compass allowed people to navigate on journeys.
Answer:
George Washington was the first president of the United States of America