What was the main reason for the author of the biography to include the last section of the text with the subheading "Life After Politics?" A. To show that she continued to be involved in working for the rights of women and African Americans after she left office. B. To show that she went back to teaching after her career in politics. C. To show that she was admired by two presidents. D. To show that she, like most people, aged normally and endured health problems.