ASecondWorldWardocumentaryfilmproducedforandbytheNationalFilmBoardofCanadain1942aspartofthe"CanadaCarriesOn"shortdocumentaryseries.Itusesstockfootage,datingbacktotheFirstWorldWar,initsthemeofshowinghowdependentmodernwarvehiclesareonhavingafuelsupplysource.IntheFirstWorldWar,Britain'sseapowerwaspreservedthroughthemaintenanceofaseriesofcoalingstationsdottingtheSevenSeas.Withthechangetooil,ratherthancoal,thenecessitiesforEuropeannations,withouthomesupply,aredependentontheNear-and-FarEastwherethepipe-linesandoilproductionhavetobedefendedagainstattacksbytheAxispowers.Canada'sroleinoilproductionisalsohighlighted.