The Council of Trustees of the United Nations (French: Le Conseil de tutelle des Nations unies), a major body of the United Nations , is established to help govern its territories in the best interests of its people and to ensure international peace and security. Confidence zones অধিকাংশ most of which were taken from the mandate of the former United Nations or from the losers at the end of World War II — now all of them have gained autonomy or independence , either as separate nations or by joining neighboring independent countries. The latest is Palau , a former part of the Pacific Island Confidence Zone , which became a member state of the United Nations in December 1994.