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Both the Elkins Act and the Hepburn Act increased the government's ability to C. REGULATE UNFAIR BUSINESS PRACTICES BY RAILROAD.
The Elkins Act of 1903 authorizes Interstate Commerce Commission (ICC) to impose heavy fines on railroad companies that offered rebates and on shippers who accepted these rebates.
The Hepburn Act or Hepburn Rate Bill gave authority to the ICC to regulate the railroad shipping rates.
Because willow tree/wood does not bend and neither does the Constitution.
The answer to the question is B