12. which of these was a problem caused by the industrial revolution?
a. reduced spending on military goods
b. higher wages for workers
c. exploitation of children in factory jobs
d. increase in isolationist policies

C. Exploitation of children in factory jobs

Explanation:

During the industrial revolution in many cases, children were more preferable than adults. Children were used to work with machines and they could squeeze between machinery a lot easier than adults. They sold newspapers and worked with coal. This all led to new laws prohibiting the exploitation of children for monetary gain.

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^