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OpenStudy (gokuporter):
Who was known for slightly raised roads on a foundation of crushed rock that drained well and held up to heavy traffic? A. Robert Fulton B. John McAdam C. George Stephenson D. Samuel Morse
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OpenStudy (paki):
it's option D...
OpenStudy (keeli_grace):
He is correct. D is the answer to your question.
jabez177 (jabez177):
Thank you!
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