Which of the Following Was Not One of the Causes

Multiple Choice

Which of the following was not one of the causes for the growing split in the Republican party during the administration of William Howard Taft?

A) Taft abandoned the fight for tariff reduction.
B) Taft refused to pursue further antitrust cases.
C) Taft supported Joe Cannon.
D) Taft campaigned for the Mann-Elkins Act.
E) Taft fired Gifford Pinchot.