Hey there Dessim19,
Your question states: Although the Hepburn Act passed Congress with relative ease during the term of Theodore Roosevelt, the Pure Food and Drug Act. Based on my information gathered for this question, the (Pure Food) and (Drug Act) was enacted only after the public outcry following the literary works of muckrakers. Your answer would be D.)
Was enacted only after the public outcry following the literary works of muckrakers.
Hope this helps.
~Jurgen