On September 1, 1999, Mireya Moscoso, the widow of former President Arnulfo Arias Madrid, took office after defeating PRD candidate Martín Torrijos, son of Omar Torrijos, in a free and fair election. During her administration, Moscoso attempted to strengthen social programs, especially for child and youth development, protection, and general welfare. Moscoso's administration successfully handled the Panama Canal transfer and was effective in the administration of the Canal.