Which project led to the creation of a system of time zones across America? A. acquiring the territory of Alaska B. building the transcontinental railroad C. establishing a national park system D. digging

asked Nov 5, 2016 142k views

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Answer:

Step-by-step explanation:

B. bulding the transcontinental railroad

Hallgrim answered Nov 5, 2016

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i think d. digging the panama i said i think now

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