Which of the following statements best describes the function of the highlighted sentence? A. It emphasizes Garrison's popularity among abolitionists prior to the 1840s. B. It points out a similarity between Garrison's position and that of Douglass prior to the latter's move to Rochester. C. It illustrates the extent to which Garrison disdained politics as a tool to achieve abolition. D. It explains the motivation behind the Rochester abolitionists'split with Garrison E. It suggests that the previous alliance between Douglass and Garrison has been overemphasized.