In the United States, the first day-nursery was opened in 1854.@Nurseries were established in various areas during the (1)_____ half of the 19th century; most of them were (2)_____ Both in Europe and in the U. S., the day-nursery (3)_____ received great (4)_____ during the First World War, when (5)_____ of manpower caused the industrial employment (6)_____ numbers of women. In some European countries nurseries were established (7)_____ in munitions (军火)plants, under direct government (8)_____ Although the number of nurseries in the U. S. also rose (9)_____, this rise was accomplished without government aid of any kind. During the years following the First World War, (10)_____, Federal, State, and local governments gradually began to exercise a measure of control over the day-nurseries, chiefly by (11)_____ them and by inspecting and regulating the conditions within the nurseries.