sentences:  In 1938 Roosevelt helped to found the National Foundation for Infantile Paralysis (now known as the March of Dimes), that raised money for the rehabilitation of victims of paralytic polio, and was instrumental in funding the development of polio vaccines.The March of Dimes changed the way it approached fund-raising.Rather than soliciting large contributions from a few wealthy individuals, the March of Dimes sought small donations from millions of individuals.