Original sentence: In the 1980s and 90s, men's rights activists opposed societal changes sought by feminists and defended the traditional gender order  in the family, schools and the workplace.The MRM is considered to be a backlash  or countermovement to feminism, arguing that the women's movement has "gone too far" and has harmed men as a result, or as a result of a perceived threat to traditional  gender roles
Edited sentence: In the 1980s and 90s, men's rights activists opposed societal changes sought by feminists and defended the traditional gender order in the family, schools and the workplace.The MRM is considered to be a backlash  or countermovement to feminism, arguing that the women's movement has "gone too far" and has harmed men as a result, or as a result of a perceived threat to traditional gender roles