 Nekuvamba kweHondo Yenyika Yechipiri muna 1939, CPGB pakutanga yakaramba ichitsigira kurwisana pamativi maviri kurwisana naChamberlain kumba uye chiNazi chiNazi kunze kwenyika. Zvichitevera chibvumirano cheMolotov-Ribbentrop chokusarwisamusi waAugust 23 pakati peSoviet Union neGermany, Comintern yakachinja chimiro chayo pakarepo. Bato reBritain pakarepo rakabatana, richishandira rugare, uye richirondedzera hondo sechibereko choumambo kumativi ose ari maviri, uye umo kirasi yavashandi yakanga isina rutivi rwokutsigira. Ikoku kwakapikiswa mukati meCPGB naHarry Pollitt naJ. R. Campbell, mupepeti weDaily Worker, uye vose vari vaviri vakasunungurwa pamabasa avo muna October 1939. Pollitt akatsiviwa naPalme Dutt. Kubva muna 1939 kusvika muna 1941 CPGB yakanga ichishingaira zvikuru mukutsigira kuramwa mabasa uye mukushora hurumende nokuda kwokuronda kwayo hondo. 