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History 9 Online
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

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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