take. The commission was required to "give to the German Government a just opportunity to be heard", and to submit its conclusions by . In the interim, the treaty required Germany to pay an equivalent of 20 billion gold marks ($5 billion) in gold, commodities, ships, securities or other forms. The money would help to pay for Allied occupation costs and buy food and raw materials for Germany. Guarantees To ensure compliance, the Rhineland and bridgeheads east of the Rhine were to be occupied by Allied troops for fifteen years. If Germany had not committed aggression, a staged withdrawal would take place; after five years, the Cologne bridgehead and the territory north of a line along the Ruhr would be evacuated. After ten years, the bridgehead at Coblenz and the territories to the north would be evacuated and after fifteen years remaining Allied forces would be withdrawn. If Germany reneged on the treaty obligations, the bridgeheads would be reoccupied immediately. International organizations Part I of the treaty, in common with all the treaties signed during the Paris Peace Conference, was the Covenant of the League of Nations, which provided for the creation of the League, an organization for the arbitration of international disputes. Part XIII organized the establishment of the International Labour Office, to regulate hours of work, including a maximum working day and week; the regulation of the labour supply; the prevention of unemployment; the provision of a living wage; the protection of the worker against sickness, disease and injury arising out of his employment; the protection of children, young persons and women; provision for old age and injury; protection of the interests of workers when employed abroad; recognition of the principle of freedom of association; the organization of vocational and technical education and other measures. The treaty also called for the signatories to sign or ratify the International Opium Convention. Reactions Britain The delegates of the Commonwealth and British Government had mixed thoughts on the treaty, with some seeing the French policy as being greedy and vindictive. Lloyd George and his private secretary Philip Kerr believed in the treaty, although they also felt that the French would keep Europe in a constant state of turmoil by attempting to enforce the treaty. Delegate Harold Nicolson wrote "are we making a good peace?", while General Jan Smuts (a member of the South African delegation) wrote to Lloyd-George, before the signing,