Page 139 - Key to Social Studies 4
P. 139
The modern world of
trade and technology is said
to have started in the 19
th
century, when many
inventions and innovations
swept across the United
States.
Samuel Slater was the
founder of one of the rst
factories in the United States.
It was one of the earliest
markers of this new era of
technological advancement.
It was a textile factory, and it
provided jobs for hundreds of
people.
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