How did the federal government contribute to equality for women during the 1960s? a. it passed a constitutional amendment to ensure that women were guaranteed equal protection under the law. b. it established quotas for the number of women required to serve in local and state legislatures. c. it investigated conditions facing working women and passed laws aimed at guaranteeing them equal pay. d. it allowed individual states to deal with issues concerning women in order to give activists a louder voice.