What was most significant about robert fulton’s steamboat run of 1807? it implied that steam engines would never replace sails. it was the first working steamboat to receive a patent. it demonstrated the ability to travel to the northwest territory. it showed that his new engine improved steamboat travel.

It showed that his new engine improved steamboat travel.

Explanation:

Robert Fulton (1765 – 1815) built a 150-foot-long Steamboat and send it on a trial run through the Hudson River in 1807.

The 300 miles (480 km) trial run from New York City to Albany and back again required 62 hours, which was a better time than other transport ships needed for the same journey. Fulton´s success improved river travel and trade on American rivers.

c it says nothing about connecting those 2 seas.

it granted civil rights to african americans.