Final answer:
The push for chief mine inspectors to have eight years of experience was a positive change as it led to a safer work environment and reduced accidents and deaths in mines.
Step-by-step explanation:
The push for chief mine inspectors to have eight years of experience was a positive change because it led to a safer work environment and reduced accidents and deaths in mines. With more experienced inspectors, they are better equipped to identify potential hazards and enforce safety regulations. This ultimately results in fewer accidents and fatalities.
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