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
26th (Cameronian) Regiment of Foot Preston of the 26th, was made up of 550 men from the 7th and 26th. However, supplies of food and ammunition were limited, and the defenders were forced to surrender in early November. The American force moved towards Montreal, which was evacuated, with the garrison – containing the remnants of the 26th – falling back towards Quebec. They were overtaken "en route" along the St. Lawrence, and taken prisoner; the regimental colours were abandoned in the river in order that they would not be captured. This effectively ended the 26th's participation in the fighting for Canada, though a few stragglers