One of the most important social developments that helped to make possible a shift in thinking about the role of public education was the effect of the baby boom of the 1950s and 1960s on the schools. In the 1920s, but especially in the Depression conditions of the 1930s, the United States experienced a declining birth【A1】________every thousand women aged 15 to 45 gave 【A2】________to about 118 live children in 1920, 89.2 in 1930, 75.8 in 1936, and 80 in 1940. With the growing prosperity brought on by the Second World War and the economic boom that 【A3】 ________it, young people 【A4】 ________and established households earlier and began to raise larger families than 【A5】________their predecessors during the Depression. Birth rates rose to 102 【A6】________thousand in 1946, 106.2 in 1950, and 118 in 1955. 【A7】________economics was probably the most important determinant, it is not the only explanation for the baby boom. The increased value set on the idea of the family also 【A8】________to explain this rise in birth rates. The baby boomers began streaming 【A9】________the first grade by the mid-1940s and became a flood by 1950. The public school system suddenly found 【A10】 ________overtaxed.

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