Who Was Initially Responsible for Patenting a High-Pressure Steam Engine

Who was initially responsible for patenting a high-pressure steam engine?

A) It only benefitted small farmers.
B) It diminished the value of gold and silver, thus reducing the profitability of western mines.
C) He was concerned it would gain too much power and eventually control the government.
D) Most Americans did not want the Bank so it was in his best political interest to reject it.