What Significance Did the Election of 1912 Have for Progressivism

What significance did the election of 1912 have for progressivism?

A) It was the first time a major party's candidate had run on a progressive platform, marking the transformation of progressivism from a small subset of politicians to a full-fledged movement.
B) It signaled the resonance of Roosevelt's progressive message, as he won enough votes to return to the White House for an unprecedented third term.
C) It caused Democrats to retreat from progressivism, as they sought to distinguish themselves from an all the more cohesive and powerful Republican party.
D) It offered voters a choice of four candidates who, despite their differences, believed in the progressive idea that an active government could resolve modern social problems.
E) It marked the end of an organized and active progressive movement in America, as the majority of candidates embraced a platform that demonized the efforts of progressivism.