In his book "", Annan again argued that the United Nations Department of Peacekeeping Operations could have made better use of the media to raise awareness of the violence in Rwanda and put pressure on governments to provide the troops necessary for an intervention. Annan explained that the events in Somalia and the collapse of the UNOSOM II mission fostered a hesitation among UN Member states to approve robust peacekeeping operations. As a result, when the UNAMIR mission was approved just days after the battle, the resulting force lacked the troop levels, resources and mandate to operate effectively.