sentences: "Other initiatives included secondary schools for girls and special primary education in 1949, teacher training colleges in 1952, the extension of compulsory education to 8 years in 1950, and the Nursery Education Act of 1955, which introduced the option of kindergarten for children from the age of four upwards, while also establishing regulations for nursery-school teachers.A department of social welfare was also established (1952), while laws were passed on unemployment benefits (1952) and a widows' and orphans' pension (1956).