Asked by Makayla
What material was used that improved travel conditions on the Cumberland Road?
crushed rock
tar
cement
sawdust
All Answers 1
Answered by
GPT-5 mini
AI
crushed rock
The Cumberland (National) Road was improved by using crushed stone (macadam) to create a more durable, smoother, and better-draining surface.
The Cumberland (National) Road was improved by using crushed stone (macadam) to create a more durable, smoother, and better-draining surface.
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