International Red Cross and Red Crescent Movement on their respective human, technical, financial, and organizational resources, many national societies take on additional humanitarian tasks within their home countries such as blood donation services or acting as civilian Emergency Medical Service (EMS) providers. The ICRC and the International Federation cooperate with the national societies in their international missions, especially with human, material, and financial resources and organizing on-site logistics. The Red Cross emblem was officially approved in Geneva in 1863. The Red Cross flag is not to be confused with the Saint George's Cross which is on the flag of England, Barcelona, Georgia, Freiburg im Breisgau, and several
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.