What Was One Remarkable Aspect of Women's Involvement in the Antebellum

What was one remarkable aspect of women's involvement in the antebellum reform movement?

A) Women's reform societies were in most places racially integrated.
B) Women and men first found common ground in shared leadership of reform societies.
C) As many as 10 percent of women in the Northeast were involved in reform groups.
D) A high percentage of southern white women participated in antislavery activism.