(b) To eliminate all forms of discrimination against girls and all forms of violence, including female infanticide and prenatal sex selection, rape, sexual abuse and harmful traditional or customary practices, including female genital mutilation, the root causes of son preference, marriages without free and full consent of the intending spouses, early marriages and forced sterilization, by enacting and enforcing legislation and, where appropriate, formulating comprehensive, multidisciplinary and coordinated national plans, programmes or strategies protecting girls;