Van effect of the steamboat’s popularity was that fewer people traveled by rail. steam locomotives became less popular. people began to build canals in the united states and europe. more people began to travel between the united states and europe.

A steamboat is a boat propelled by steam. In the 19th century, steamboat was widely used on rivers, especially on the Mississipi and its tributaries. Inicially they worked only on lakes and rivers, but later the steam was also applied to larger vessels that crossed oceans. The building of canals was very important for the economy in the United States, by reducing the prices of transportation of products from or to distant places.

Answer B. People began to build canals in the USA and Europe.