STRATEGIC RESERVES Interim Report by the Working Party on war Potential 1. Experience both in the 1914-18 war and in the last war has shown that ready supply of certain raw materials is specially important if munitions production is to be expanded quickly after the onset of an emergency and if thereafter, a high level of industrial output for war purposes is to be maintained. 2. Most of these key materials are either not produced at all in this country, or are produced here only in very limited amounts.