Final answer:
Betty Friedan's claim that the women's movement was the second American Revolution is not an overstatement as it brought about significant societal changes.
Step-by-step explanation:
Betty Friedan's assertion that the women's movement was the second American Revolution is not an overstatement. The women's movement, also known as second-wave feminism, brought about significant societal changes by challenging gender roles and advocating for women's rights and equality. It raised awareness of gender discrimination, led to the establishment of organizations like the National Organization for Women (NOW), and influenced changes in legislation, employment practices, and cultural attitudes towards women.