concerned with crime prevention and the treatment of offenders, especially activities at the regional and subregional levels, taking into account the specific needs of each region, including the establishment of institutes for research, training and technical assistance in those regions which lack such bodies, and the strengthening of existing institutes, and, further to give effect to the conclusions of the Sixth United Nations Congress, including those relating to new perspectives for international co-operation in crime prevention, and to ensure that all United Nations organs co-operate effectively with the Committee on Crime Prevention and Control in pursuance of the relevant resolutions of the General Assembly. 2.