Aurélie Hauchère Vuong, ILO programme officer, expert on forced labour and human trafficking, focus on Latin America, Europe and French-speaking countries, encourages all countries member of the United Nations to participate on the IV Global Conference on the Sustained Eradication of Child Labour and to join the 50 for freedom campaign that aims to persuade at least 50 countries to ratify the Protocol on Forced Labour by 2018.