Margaret sanger was controversial because of er work in support of what?

Margaret Sanger was controversial for her advocacy of Birth Control and reproductive rights, which challenged societal norms around sexuality and family planning in the early 20th century. She founded the American Birth Control League, which later became Planned Parenthood, and promoted women's access to contraception as a means of empowering them and improving public health. Sanger's views on eugenics and her association with those ideas also sparked significant debate and criticism.