# data[].attributes.body
He
was using Morse
code, the tele-
graph’s language.
By 1861, all major
U.S. cities could
communicate instantly.

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Patrick Bell invented
the first horse-drawn
reaper (a machine
for harvesting crops).

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There was a lot of
coal, so it became
the main power
source. Inventions
like the steam
engine and rail
roads needed more
and more coal.

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Trains both
terrified and
excited early pas
sengers.

# data[].attributes.body
Inventions
like the steam
engine and rail
roads needed more
and more coal.

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English
inventor Abraham
Darby found a
cheap way to
smelt iron to turn
the raw material
called iron ore into
pure metal.