Answer:
For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.
Explanation:
I'm pretty sure that Copernicus discovered that, therefore your answr being A. Hope this helps :)
i think they shouldn't cause they tend to corrupt everything
<span>I think is mental cometency good lock
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