What invention had the greatest impact on the westward expansion?
Camera
Matches
Covered Wagons
Railroads
The Transcontinental Railroad was the most significant innovation affecting westward migration. It was
completed in 1869. The completion of the Railroad,
with significant Chinese labor, layed the foundation for future economic growth.
The work was incredibly
dangerous, involving blasting through granite, dealing with avalanches,
and facing extreme weather conditions.
In spite of facing discrimination and harsh living conditions the Chinese
laborers played a crucial role in building a railroad from the east coast to the west coast.
