International Committee of the Red Cross many countries, based on national law in these countries, based on agreements between the ICRC and the respective governments, or, in some cases, based on international jurisprudence (such as the right of ICRC delegates not to bear witness in front of international tribunals). The ICRC's operations are generally based on international humanitarian law, primarily comprising the four Geneva Conventions of 1949, their two Additional Protocols of 1977 and Additional Protocol III of 2005, the Statutes of the International Red Cross and Red Crescent Movement, and the resolutions of the International Conferences of the Red Cross and Red Crescent. International humanitarian
International Committee of the Red Cross during an armed conflict was adopted by the International Red Cross Conference. Unfortunately, most governments had little interest in implementing this convention, and it was thus prevented from entering into force before the beginning of World War II. In the Interwar period, Bolivia and Paraguay were disputing possession of the Gran Chaco - a desert region between the two countries. The dispute escalated into a full-scale conflict in 1932. During the war the ICRC visited 18,000 Bolivian prisoners of war and 2,500 Paraguayan detainees. With the help of the ICRC both countries made improvements to the conditions of the detainees.