Final answer:
The Supreme Court played a significant role in addressing monopolies and labor regulations during the Progressive Era.
Step-by-step explanation:
During the Progressive Era, the Supreme Court played a significant role in shaping government regulations and policies. In the cases mentioned:
- Northern Securities Co. v. United States (1904): The Supreme Court ruled that the company was monopolizing the railroad industry and ordered it to be dissolved.
- Lochner v. New York (1905): The Court invalidated a New York law that limited the working hours of bakery employees, arguing that it violated workers' freedom to contract.
- Standard Oil Co. v. United States (1911): The Supreme Court declared Standard Oil to be in violation of antitrust laws and ordered its dissolution.
These cases demonstrate the Supreme Court's involvement in addressing monopolies and labor regulations during the Progressive Era.
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