the war Hostile_encounter ended Process_end with the kumanovo treaty , with yugoslav and serb forces agreeing Agree_or_refuse_to_act to withdraw Escaping from kosovo to make way for an international presence .

the operation commenced Process_start during a nato bombing campaign against the vrs , codenamed operation deliberate force , which targeted Aiming bosnian serb air defences , artillery and storage facilities initially in the area of sarajevo , but also elsewhere in the country .