How did George Westinghouse contribute to railroad transportation?
(1 point)
• His invention of air brakes made railroad travel safer and faster.
• His development of the sleeping car made railroad travel much more comfortable.
• His invention of the steam engine made railroad travel faster and more affordable.
• His creation of a railroad network helped make railroad travel more efficient.
1 answer
His invention of air brakes made railroad travel safer and faster.
1 answer