Which answer best describes why high numbers of children were hired to work in factories in the 1800s?

employing children allowed factories to keep costs low and productivity high.

factories were often built too small and only children could fit at the machines.

children working in factories complained much less about their jobs than adults.

children working in factories didn't go to school, making schools less expensive to run.

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?