Which Organizational Method Is Used in a Speech with the Following

Which organizational method is used in a speech with the following main points?
I. As a social worker, Jane Addams founded the settlement house movement in Chicago.
II. As a reformer, Jane Addams campaigned for child-labor laws, unemployment compensation, and better public sanitation.
III. As a suffragist, Jane Addams fought to give women the vote.
IV. As a writer, Jane Addams is best known for her autobiographical Twenty Years at Hull House.

A) topical
B) spatial
C) chronological
D) descriptive
E) formal