How did having a network of roads and canals across the empire affect China? O It caused erosion and flooding, which led to crop damage.
It improved and increased trade and travel across the empire.
O It left the empire open to invasion from a number of outsiders.
O It improved the country's finances through toll collection and taxes.

B. It improved and increased trade and travel across the empire.

Explanation:

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6 pounds is equivalent to 92 ounces.

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