Which of the following conditions provided the greatest catalyst to the women's liberation movement of the 1970s?

a) the belief that women's traditional roles had changed too drastically since the end of world war 2
b) the belief that American women lacked empowerment in the areas of school, work, and home life
c) the belief that women had lost ground when many left wartime employment for life as full-time wives and homemakers
d) The belief that advertisers and magazines seduced women by a propaganda campaign that mischaracterized them.