Answers GHS 2025 US History A-CR New American IndustriesQuestion 7

7

QuizMultiple Choice

New American Industries

Question 7 • GHS 2025 US History A-CR

Which is an invention that improved safety for railway passengers?

Answer

A

refrigerated rail cars

B

Pullman sleeping cars

C

time standardization

D

air brakes ✓ Correct

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