Before the Civil War, construction of a transcontinental railroad was delayed because:
Before the Civil War, construction of a transcontinental railroad was delayed because:
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
Transcribed Image Text:Before the Civil War, construction of a
transcontinental
railroad was delayed
because:
O
O
O
O
the Appalachian Mountains presented
great engineering problems.
the technologies for building long
tunnels through the Rockies did not
exist.
many southern states used the states'
rights argument to reject federal aid for
railroads.
North-South sectional differences
prevented Congress from selecting a
route.
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