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In order to make their schedules more standard, what did the railroads do?
A. Divided the United States into time zones
B. Allowed each train to set its own schedule
C. Put the whole United States on the same time
D. Forced every train to leave its station on the hour
SUENT

Relax

Respuesta :

zacharynoe2424

Answer:

B. Allowed each train to set its own schedule

Explanation:

scarlettwendorf

Answer:

it divided the united states into time zones

Explanation:

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