What characterized the Mandel–Mantello rescue mission? Check all that apply. It was led by George Mandel-Mantello, who was a Jewish Hungarian diplomat. Jewish people risked their lives to distribute the certificates. Mandel-Mantello was caught and put in a concentration camp. Mandel-Mantello issued certificates of citizenship identifying European Jews as citizens of El Salvador. Hundreds of certificates were issued. Everyone who received a certificate was saved.