Answer:
clipper ships and steamboats brought major changes.The author claims "before clipper ships, it could take 200 days to travel from New York to California". This shows that clipper ships made a pretty huge change in transportation. Clipper ships can make the trip in less than 100 days. The steam boat also made a major change in transportation. The author mentions that "It traveled the first 110 miles in just 24 hours" there were some complains but at the end "people became less frightened, and Fulton’s business grew".