abigailc7643 abigailc7643

20-02-2019
History

contestada

Mechanical reaper
Cotton gin
Combine harvester
Which sector of the American economy was revolutionized by these technological breakthroughs?
A) agriculture
B) communications
C) manufacturing
D) transportation

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skylarsouth skylarsouth

20-02-2019

A) agriculture because i saw cotton gin and knew it immediately

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