Original sentence: Each movement has, with varying results, sought to influence public opinion and to attain legal support for its position, with some anti-abortion advocates even going as far as using violence.The two main groups involved in the abortion debate are the self-described "pro-choice" movement (emphasizing the right of women to choose whether they wish to bring a fetus to term) and the self-described "pro-life" movement (emphasizing the right of the unborn child to be born)
Edited sentence: Advocates from both movements have resorted to violence.Each movement has, with varying results, sought to influence public opinion and to attain legal support for its position.The two main groups involved in the abortion debate are the self-described "pro-choice" movement (emphasizing the right of women to choose whether they wish to bring a fetus to term) and the self-described "pro-life" movement (emphasizing the right of the unborn child not to be killed)