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steam engine
Used to power both the Steamboat and the Steam locomotive (train) -
canels
canals are fed by rainwater by a river. invented eli whitney -
cotton gin
the south became the cotton producing part of the country.
federal government -
interchangeable parts
it produced a large amount for a lower price and made replacement easier. -
national road
It was the first federally funded road in U.S. history. ... In 1806 Congress authorized construction of the road and President Jefferson signed the act establishing the National Road. It would connect Cumberland, Maryland to the Ohio River. In 1811 the first contract was awarded and the first 10 miles of road built. -
telegraph
A device that used electrical signals to send messages quickly over long distances -
mechanical reaper
A machine used for cutting crops. It reduced the time needed to harvest the crops. -
steel plow
it made plowing rich soil easier. and took shorter time