# data[].attributes.headline
In the 1840 S,the fastest way to send a message was by train. That could take days or even weeks.

# data[].attributes.subject
In the 1840 S,the fastest way to send a message was by train. That could take days or even weeks.

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Reaper, any farm machine that cuts grain. Early reapers simply cut the crop and dropped it unbound.

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Reaper, any farm machine that cuts grain. Early reapers simply cut the crop and dropped it unbound.

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 The high speed of trains bothterrified andexcited early pas-sengers.

# data[].attributes.subject
 The high speed of trains bothterrified andexcited early pas-sengers.

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A steam engine is a heat engine that performs mechanical work using steam as its working fluid.

# data[].attributes.subject
A steam engine is a heat engine that performs mechanical work using steam as its working fluid.

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 Pepole have been using iron tomake weapons and tools since 3000 BCE.

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 Pepole have been using iron tomake weapons and tools since 3000 BCE.

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Coal was the fuel of theIndustrialRevolution. Itbecame popularin the 1600s,after England hadused up the woodin its forests for construction.

# data[].attributes.subject
Coal was the fuel of theIndustrialRevolution. Itbecame popularin the 1600s,after England hadused up the woodin its forests for construction.