Despite numerous successes for women in the 1970s , the feminist movement suffered a severe setback when
a. the Supreme Court began to oppose the extension of women's rights
b. the Equal Rights Amendment failed to achieve ratification by the states
c. Congress refused to extend women's rights to an equal education to the are of athletics
d. moderate and radical feminists began to attack each other over whether gender differences should be totally eradicated
e. the declining economy created a growing gap between men and women's earning power