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 national relief societies throughout the world. The movement had extended itself beyond Europe and North America to Central and South America (Argentina, Brazil, Chile, Cuba, Mexico, Peru, El Salvador, Uruguay, Venezuela), Asia (the Republic of China, Japan, Korea, Siam), and Africa (South Africa). With the outbreak of World War I, the ICRC found itself confronted with enormous challenges which it could only handle by working closely with the national Red Cross societies. Red Cross nurses from around the world, including the United States and Japan, came to support the medical services of the armed forces of the European countries involved