Peace has lasted since the signing of the Dayton Accords. Annex 4 of the General Framework Agreement is still considered to be a constituent for Bosnia and Herzegovina and remains the basis of Bosnia and Herzegovina`s current political divisions and governmental structure. The agreement also laid the groundwork for NATO`s military action in Kosovo in 1999, which has since led to the province`s independence. Serbian leader Milošević was arrested for war crimes and died in 2006 during his trial of a natural death. The role of the United Nations throughout the Dayton conference was very limited. When the agreement was reached, Madeleine Albright, Permanent Representative of the United States to the United Nations, sent the following letter to the Secretary-General. .