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Which is an invention that improved safety for railway passengers? refrigerated rail cars Pullman sleeping cars time standardization air brakes
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Which is an invention that improved safety for railway passengers?

refrigerated rail cars
Pullman sleeping cars
time standardization
air brakes

User Tyler Pfaff
by
7.2k points

2 Answers

4 votes

Answer:

answer is D

Step-by-step explanation:

User Atiana
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It was the invention of time standardization that improved safety for railway passengers, since this in many ways led to far fewer train collisions, which were an issue.
User Sumit Kumar Gupta
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7.9k points
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