Respuesta :
The correct answer is: They had to be retrained to operate machines.
Skilled workers were, in essence, useless. They had be retrained on new machinery.
Answer:
They were replaced by unskilled workers.
Explanation:
During the Industrial Revolution, skilled workers were often replaced by unskilled workers. Before the Industrial Revolution, workers who manufactured materials and products often spent years training in their trade. However, with industrialization, many specialty items could be made using a machine. And people who worked machinery needed very little training.