Which answer best describes why the Watt steam engine important to America in the 1830s?
A. The first gold mining tools, using the Watt engine, were designed for the gold rush.
B. The first American steamboat, based on Fulton's design, used the Watt engine.
C. The first American roads were built using Fulton and Watt's steam engine.
D. The first American locomotive was powered by Watt's steam engine.