AnswersMFISD US HISTORY STUDIES SINCE 1877 A 22-23 CRCumulative Exam — Cumulative examQuestion 71
71
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Cumulative Exam — Cumulative exam

Question 71 • **MFISD US HISTORY STUDIES SINCE 1877 A 22-23 CR

What was the purpose of setting 4 time zones in the continental United States?

Answer
A
Business owners were choosing the time, resulting in confusion.
B
People were calling family members too late and were upset.
C
Railroads needed standardization of time for continental travel.
D
The civil war resulted in a need for standardization of time.

Explanation

Before time zones, towns and railroads often used different local times, making train schedules difficult to coordinate. The four continental U.S. time zones standardized time so railroads could plan and run long-distance travel reliably. The correct choice is “Railroads needed standardization of time for continental travel.”

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