President Taft’s passage of the Mann-Elkins Act in 1910 continued Roosevelt’s legacy of railroad reform by

The Mann-Elkins Act of 1910 expanded the Interstate Commerce Commission’s authority to regulate railroads, including the power to suspend proposed rate increases and investigate rates. This continued Roosevelt’s railroad-reform legacy by strengthening the commission. The act did not establish the ICC, which had been created earlier, or restore rebates for large companies.

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