More than 80 percent of the members also belong to the Daughters of the American Revolution. an organization which has its symbol protected by congressional patent. When America faces a world crisis. the UDO responds. In the First World War. President Wilson called upon 100.000 members of the UDC to assist in that effort. They provided and they manned ambulances in France. The UDC paid for hospital beds in army camps and refugee services for French and Belgian orphans. In World War II. the UDC answered Franklin Roosevelts summons by sponsoring the Nurse Cadet Corps. by raising money for war bonds. and by organizing blood plasma drives. The head of the Texas chapter.