Explanation:
<u>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.</u>
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A court-martial is a court composed of military personnel, purposely for the trian of those accused to violating military law.
The answer is "States now forbid operators of theaters, hotels, and restaurants to minority groups." They still have the right to refuse services to anyone they choose.