“You can pass all the const amendments you want to，but you cannot put equal responsibility on men for being mother to children.”—Sam J.Ervin，Jr.，Senator，North Carolina（1975）[1]Equality of rights under the law shall not be denied or abridged by the United States or by any State on account of sex.The Congress shall have the power to enforce，by appropriate legislation，the provisions of this article.This amendment shall take effect two years after the date of ratification.—Complete text of the Equal Rights Amendment（1972）Why We Lost the ERA，Chicago：University of Chicago Press，1986。">[2] <<