Rationing in the United Kingdom warfare to try to starve Britain into submission. To meet this threat, voluntary rationing was introduced in February 1917. Bread was subsidised from September that year; prompted by local authorities taking matters into their own hands, compulsory rationing was introduced in stages between December 1917 and February 1918 as Britain's supply of wheat decreased to just six weeks' worth. To help the process, ration books were introduced in July 1918 for butter, margarine, lard, meat, and sugar. For the most part, rationing benefited the health of the country. During the war, average energy intake decreased by only 3%, but protein
Rationing in Cuba to return to the previous area for their supplies. Products distributed through the "libreta" mechanism are sold at subsidized prices, which have been kept more or less stable since its inception (the mean salary of a worker has varied very little since, as well). The "libreta" contains a page for every month, where the clerk marks what products were withdrawn, and in which quantities. Cubans are required to present the "libreta" each time they buy the rations. At its inception, the rationing system included not only food products, but industrial products as well. Along with the "libreta", a tear-off coupon