The use of machines in industry in the second half of the nineteenth century:
1. Made it possible for manufacturers to hire cheap unskilled or semiskilled labor: The introduction of machines allowed manufacturers to utilize cheaper labor as the machines could perform tasks that didn't require highly skilled workers.
2. Required a better educated workforce: While machines simplified certain tasks, they also demanded workers who could operate, maintain, and repair them. This led to a need for a more educated workforce to handle the technological advancements.
3. Did not make it possible for manufacturers to eliminate human labor power altogether: Machines in the nineteenth century did not have the capability to completely replace human labor. They augmented human efforts but did not entirely eliminate the need for human workers.
Therefore, the correct statement among the options provided is: The use of machines in industry in the second half of the nineteenth century made it possible for manufacturers to hire cheap unskilled or semiskilled labor.
