Asked by Dhuha

what are technology of westward expansion?

Answers

Answered by Ms. Sue
The biggest contribution that new technology made to U.S. western expansion was the transcontinental railroad.

Answered by bobpursley
Consider railroads, telegraph, and the invention/manufacturing of repeating handguns, and repeating rifles (as compared to the older single shot models).
http://www.huntingsociety.org/HistWinch.html
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