Answer:
technological advances
Step-by-step explanation:
The start of the American Industrial Revolution is often attributed to Samuel Slater who opened the first industrial mill in the United States in 1790 with a design that borrowed heavily from a British model. Slater's pirated technology greatly increased the speed with which cotton thread could be spun into yarn.
The american industrial revolution
its also known as the second industrial revolution and occured between 1820 and 1870
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