United States and the United Nations the invasion of South Korea by North Korean troops, leading to the UN sanctioned Korean War. Later, the U.S. persuaded all permanent members of the Security Council to authorize force against Iraq after it invaded Kuwait in 1991. This was a major step toward U.S. and Russian reconciliation after the end of the Cold War. Since 1991, the United States has been the world's dominant military, economic, social, and political power (not to mention hosting the UN Headquarters itself in New York City); the United Nations was not designed for such a unipolar world with a single superpower, and conflicts
Brazil and the United Nations United Nations Educational, Scientific and Cultural Organization (UNESCO) headquarters in Paris, the Permanent Delegation of Brazil is headed by Ambassador Marcia Donner Abreu. Brazil joined UNESCO in 1946, and has been a member of its executive board several times, most recently 2007–09. Brazil and the United Nations Federative Republic of Brazil is a founding member of the United Nations and participates in all of its specialized agencies. Brazil is among the twenty top contributors to United Nations peacekeeping operations, and has participated in peacekeeping efforts in the Middle East, the former Belgian Congo, Cyprus, Mozambique, Angola, and more recently East