What statement best summarizes Watt’s contribution.

“Watt’s attitude toward high pressure made his influence felt long after his patents had expired.”
“It has been the object of this brief history of the early developments in the use of steam to cover such developments only through the time of James Watt.”
“In 1782, Watt patented two other features which he had invented as early as 1769.”
“The early efforts of Watt are typical of those of the poor inventor struggling with insufficient resources.”