Spinster World War prevented many within a generation of women from experiencing romance and marriage, or having children. The image of the old spinster with a fading photo of her dead World War I soldier boyfriend on her fireplace mantel was common in films of the 1950s and 1960s. Likewise, in the American classic novel "Gone with the Wind" (1936) about the Civil War, numerous references are made to grieving fiancées, women who were "wanted, if not wed", and to the shortage of single, able-bodied (and thus "marriageable") men at war's end. In modern peacetime societies with wide opportunities for romance,
White certificates White certificates In environmental policy, white certificates are documents certifying that a certain reduction of energy consumption has been attained. In most applications, the white certificates are tradable and combined with an obligation to achieve a certain target of energy savings. Under such a system, producers, suppliers or distributors of electricity, gas and oil are required to undertake energy efficiency measures for the final user that are consistent with a pre-defined percentage of their annual energy deliverance. If energy producers do not meet the mandated target for energy consumption they are required to pay a penalty. The white certificates are