The driving forces for ILO's creation arose from security, humanitarian, political and economic considerations. Summarizing them, the ILO Constitution's Preamble says the High Contracting Parties were 'moved by sentiments of justice and humanity as well as by the desire to secure the permanent peace of the world...'
There was keen appreciation of the importance of social justice in securing peace, against a background of exploitation of workers in the industrializing nations of that time. There was also increasing understanding of the world's economic interdependence and the need for cooperation to obtain similarity of working conditions in countries competing for markets. Reflecting these ideas, the Preamble states: