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OpenStudy (anonymous):
in what way were the railroads responsible for the U.S. time zones?
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OpenStudy (anonymous):
the reason why the railroads helped in the us time zones is because it told people that they needed to add or subtract an hour to get to the same place at the same time. I hoped I helped.
OpenStudy (anonymous):
yes you did. but do not go away i have more questions
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