What Was the Significance of Robert Fulton

What was the significance of Robert Fulton?

A) He was responsible for the construction of the Erie Canal.
B) His work in designing steamboats made upstream commerce possible.
C) His innovations led to the revolution in turnpike construction in the early nineteenth century.
D) As mayor of New York, he worked to make that city a commercial center.
E) He sponsored congressional legislation that authorized building of the National Road.