The end of the Cold War provides a new and powerful opportunity to reinvigorate efforts which can minimize international threats to peace and improve the management of conflict. Peace operations offer a means of addressing complex regional conflicts for which unilateral action may not be justified or appropriate. The U.N. has struggled to keep up with the demand, more than doubling its peace operations since the end of the Cold War. Given its current capability, the United Nations has achieved a great deal.The work needed to build reliable and effective peace operations may not always.