Answer:
The coal-fired steam engine was soon developed. It became the key technology of the Industrial Revolution. In preindustrial Europe, water power was widely used as a source of energy. By the late 1700s, however, steam engines had been perfected
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Answer:
To answer that question. We have evolved as a society, we no longer allow child labor, laws were passed to stop it , just like laws were passed to allow women to vote
Explanation:
