The First World War showed the vital importance of oil.
The use of oil-fuelled aircraft, tanks, motor vehicles - and especially warships - increased greatly during the war.
Britain and its allies found themselves in an oil crisis in 1917, but it was overcome (with difficulty) and the Allies' greater oil resources - mostly supplied by the USA - cont.
Helion & Company Britain's quest for oil. the first world war and the peace conferences, hardback/martin gibson
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