Why Did the Battle Over Black Suffrage Ultimately Divide the Women's

Why did the battle over black suffrage ultimately divide the women's rights movement?

A) A large part of the women's rights movement did not believe that a constitutional amendment was necessary in order to gain the vote.
B) Half of the movement advocated focusing on the rights of black women, while the other half emphasized that first priority should be on the rights of black men.
C) Some advocates of women's rights refused to support black suffrage without similar guarantees of woman suffrage.
D) The women's rights movement had always avoided the debate over slavery, and many now feared being drawn into the new debate over black rights.
E) The leaders of the women's rights movement were racists who believed that black suffrage was a mistake.