12 e) in all aspects of planning, formulation and implementation of post-conflict reconstruction and rehabilitation. 3. States Parties shall take the necessary measures to reduce military expenditure significantly in favour of spending on social development in general, and the promotion of women in particular. Article 11 Protection of Women in Armed Conflicts 1. States Parties undertake to re spect and ensure respect for the rules of international humanitarian law applicable in armed conflict situations, which affect the population, particularly women. 2. States Parties shall, in accordance with the obligations incumbent upon them under international humanitarian law, protect civilians including women, irrespective of the population to which they belong, in the event of armed conflict. 3. States Parties undertake to protect asylum seeking women, refugees, returnees and internally displaced persons, against all forms of violence, rape and other forms of sexual exploitation, and to ensure that such acts are considered war crimes, genocide and/or crimes against humanity and that their perpetrators are brought to justice before a competent criminal jurisdiction. 4. States Parties shall take all necessary measures to ensure that no child, especially girls under 18 years of age, take a direct part in hostilities and that no child is recruited as a soldier. Article 12 Right to Education and Training 1. States Parties shall take all appropriate measures to: a) eliminate all forms of discrimination against women and guarantee equal opportunity and access in the sphere of education and training;