Between 1914 and 1918 the success of the British war effort was heavily dependent on the horse. Warfare in the early twentieth century employed horses at least as intensively as did the economy in peacetime. As war became more capital-intensive, an increasing burden was placed on the military...

Military expenditure is difficult to define. Major issues are functional versus institutional approaches to defense, indirect and intangible costs and benefits and current versus comprehensive accounting. Authoritative institutions have adopted standard definitions but national governments are...