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Steam Engine
The steam engine was an engine that powered the steam boat and the train. -
Steam Engine
An engine that powers the steam boat and the train -
Canals
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Canal
The Canal is a thing that connects rivers. -
Cotton gin
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Cotton gin
It pulled out seeds from cotton much faster than hand -
Interchangeable parts
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Interchangeable parts
It made rifles a lot easier to make. -
National road
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National Road
The National road was the first national highway built. -
Telegraph
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Telegraph
It let people communicate from long distances -
Mechanical reaper
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Mechanical reaper
It cut grain much faster than hand. -
Steel plow
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Steel plow
It helped plow fields easier by hand.