What are two ways that the information in the section titled "An Unexpected Effect" Influences the passage as a whole?
It illustrates the drive the canal created for the westward expansion of American
society
It describes how the ideal utopian lifestyle spread along the canal and became the
norm across America.
It explains how the canal established the best route for American superhighways and
railways.
It emphasizes the role the canal has played in the development of American
recreational resources.
It establishes the canal's influence on American culture beyond the merely
commercial aspects.