Emblems of the International Red Cross and Red Crescent Movement with the rules of the Geneva Conventions. In this function, they can also be used by organizations and objects which are not part of the International Red Cross and Red Crescent Movement, for example the medical services of the armed forces, civilian hospitals, and civil defense units. As protection symbols, these emblems should be used without any additional specification (textual or otherwise) and in a prominent manner which makes them as visible and observable as possible, for example by using large white flags bearing the symbol. Four of these symbols, namely the Red Cross, the Red Crescent, the Red Lion
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.