Ramba uchiverenga ndima iyi - Musi wa7 December 1941, Umambo hweJapan hwakapinda muhondo nokurwisa nyika yeBritain yainzi Malaya
uye nechivako chemauto ehondo cheAmerica paPearl Harbor. Mazuva mana gare gare, Germany yakazivisa hondo kuUnited States, ichiunza vaAmerica mukurwisana kweEurope. Mauto eUnited States akada Operation Sledgehammer, kupindirwa kweFrance neGermany. Kufamba kwakadaro kwakapikiswa nemaBritish, avo vakabvuma kushaya simba kwemauto eAllies kuti vaite basa rakadaro, kunyanya sezvo Mauto eBritish aifanira kupa simba guru rekushanda kwakadaro. Muna July 1942, maAnglo-America akasangana muLondon ndokubvumirana kuti Operation Roundup, mutsivi waSledgehammer, yaizosendekwa mberi uye kushanda pamwe chete kwaizotanga muNorth Africa.