Respuesta :

Answer:

The american industrial revolution

Explanation:

its also known as the second industrial revolution and occured between 1820 and 1870

Answer:

technological advances

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.