Carissa164
Answered

What was James Watt's contribution to the industrial movement? He built the first railroad locomotive. He designed a riverboat that traveled a distance of 150 miles. He made the steam engine more efficient. His innovation made water power essential for mills.



Answer :

Sometimes people say that James Watt invented the steam engine. Well, this is not quite true, because a number of people had produced steam engines of sorts. 
James Watts took the steam engine design of a man named Thomas Newcomen and made it much more efficient.

This was James Watt´s major contribution to the Industrial Revolution

James Watts made the steam engine more efficient.