William Howard Taft undermined Roosevelt’s legacy in all of the follow

William Howard Taft undermined Roosevelt’s legacy in all of the following ways EXCEPT

A) he replaced the Secretary of the Interior with someone who was not a staunch conservationist.
B) he signed higher tariff rates and vetoed efforts to reduce the tariff on wool, steel, cotton, and iron, which alienated the progressive base of the party.
C) he fired Gifford Pinchot as head of the U.S. Forest Service.
D) he refused to break-up any corporate monopolies during his tenure in office.

ANSWER
Answer: D