Question: Which is a 47 mile aqueduct in the U.S., Contra Costa Canal or  Pennsylvania Canal
Sentence (from "Pennsylvania Canal"): Enacted before Railroads gestated during their infancy, the focus of the act was to create through building a canal system, the capability to ship heavy or bulk goods and connect Philadelphia to Pittsburgh—and "more importantly"—and "beyond" to the "new growth markets" in the developing territories reached by the Ohio River now called the midwest.
Relevant evidence: No