The USUsed High-Pressure Steam Engines,whereas the British Favored Low-Pressure Engines

The U.S.used high-pressure steam engines,whereas the British favored low-pressure engines.?The reason for the American preference for high-pressure steam engines was that

A) low-pressure steam engines, though more efficient, were complicated to build and operate and America lacked skilled labor compared to England.
B) the high-pressure steam engines used extravagant amounts of wood fuel. The U.S. abundance?of wood compared to Europe made building high-pressure steam engines cheaper in the U.S.
C) Americans simply lagged behind technologically compared to England and continued to use the outdated high-pressure steam engines.
D) England had patents on the superior low-pressure steam engine and would not allow other nations to use the technology.