3. Which diagram shows how the completion of the
Transcontinental Railroad contributed to the closing of the
western frontier?
Improved
communications
Greater ease
of travel
Advances in
factory
technology
Faster shipping
of raw
materials
Increased
protection of
sites sacred to
American Indians
Higher demand
for unclaimed
territory
Improved
agricultural
processes
More profits
for timber
companies
th
F

3 Which diagram shows how the completion of the Transcontinental Railroad contributed to the closing of the western frontier Improved communications Greater eas class=


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