KuParis, pana April 5, pamusangano weSWC, Churchill akakurudzira Operation Royal Marine, asi, vachitya kutsiva kweGermany, vaFrance vakaramba kubvumidza chero kuchera kweRhine. Churchill, naizvozvo, akasarudza kuti Britain yoga yaizoita kuchera kunze kweNarvik; ichi chiito (Operation Wilfred) chakarongerwa 8 April. Zvisinei, panguva iyi, vaGermany vakanga vatanga Operation Weserübung, kudenha Norway neDenmark. Paul Reynaud, Édouard Daladier naAdmiral Darlan vakaenda kuLondon kumusangano wekukurumidzira weSWC musi wa9 Kubvumbi. Pano, kwakagadziriswa kuti boka rebasa reAnglo-French raizotumirwa kuNorway, asi kushanda (Urongwa R 4) kwakakundikana. Hazvina kungobvumikisa kuva zvisingabviri chete kumisa kutengeswa kwedare resimbi kubva kuScandinavia kuenda kuGermany asiwo mauto aifanira kubviswa, mune zvaizivikanwa seOperation Alphabet
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