We may receive an affiliate commission from anything you buy from this article. In "We the Women: The Hidden Heroes Who Shaped America" (to be published Feb. 24 by Ballantine Books), CBS News' Norah O'Donnell, writing with Kate Andersen Brower, reveal the often-overlooked stories of the "hidden heroines" who fought for freedom and equality in all areas of American life, from the courtroom to the battlefield, from male-dominated corridors of power, to protest movements. Read an excerpt below,