an official written agreement between two or more countries. When heads of state or government negotiate a treaty, they discuss it before reaching an agreement; and when they ratify a treaty, they give it their formal agreement, usually through the signing or formal vote following a country`s formal accession to a group of countries or accepts a protective responsibility agreement: a 2005 agreement between all UN member states to try to protect people from genocide , war crimes, ethnic cleansing and crimes against humanity that does not seek to test the official agreement on nuclear weapons, the existence of a country or an organization of the Un Convention on Combating Desertification: an international agreement to help countries where lack of rain makes the land so dry that it cannot be used for agriculture. , a report and a response to all events that could pose a threat to international public health. The objective of the IHR (2005) is to prevent, protect, control and respond to a public health response to the spread of diseases internationally, in a manner adapted to public health risks, limited to them, avoiding unnecessary intervention in international transport and trade. (International Health Regulations, Article 2). For more information, please see THE LA fact sheets. A number of international agreements outlining how people should be treated when they are prisoners of war, the idea that national governments play a more important role in international relations than permanent bodies such as public services, an agreement between two or more persons, groups or countries in which they agree to cooperate to obtain something under the United Nations Convention on International Contracts for The Purchase of Goods. a treaty introduced in 1980 to standardize international trade law. It is informally known as the Vienna Convention. In addition to treaties, there are other less formal international agreements. These include efforts such as the Proliferation Security Initiative (PSI) and the G7 Global Partnership Against the Proliferation of Weapons of Mass Destruction. Although the PSI has a “declaration of prohibition principles” and the G7 Global Partnership includes several statements by G7 heads of state and government, it also does not have a legally binding document that sets specific obligations and is signed or ratified by member states.