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 federal regulation of railroads and strengthened the Interstate Commerce Commission (ICC), continuing Theodore Roosevelt’s reform efforts. The ICC had already been established in 1887, so Taft’s act did not create it. The correct choice is “strengthening the Interstate Commerce Commission.”

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