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 the United States qualified for canned milk not available to others. To receive a gasoline ration card, a person had to certify a need for gasoline and ownership of no more than five tires. All tires in excess of five per driver were confiscated by the government, because of rubber shortages. An "A" sticker on a car was the lowest priority of gasoline rationing and entitled the car owner to of gasoline per week. B stickers were issued to workers in the military industry, entitling their holder up to of gasoline per week. C stickers were granted to persons deemed very essential to