Question

How did George Westinghouse contribute to railroad transportation?

A. His invention of air brakes made railroad travel safer & faster.

B. His development of the sleeping car made railroad much more comfortable.

C. His invention of the steam engine made railroad travel faster and more affordable.

D. His creation of a railroad network helped make railroad travel more efficient.

Answer 1

A is the correct answer.

Westinghouse was a prolific inventor who also invented the air brake which made railroad travel safer & faster.