What effect did the construction of the transcontinental railroad have on coast-to-coast communication?
the railroad made coast-to-coast communication instantaneous.
the railroad reduced coast-to-coast communication time from about a week to about a day.
the railroad reduced coast-to-coast communication time from about 180 days to about a week.
d. the railroad made coast-to-coast communication more complicated.
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What effect did the construction of the transcontinental railroad have on coast-to-coast communicati...
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