Pedzisa mutsara unotevera: Vashandi vakawanda vemumigodhi vakabatana neCPGB pamusana pokubatanidzwa kwebato racho mu
Kuramwa Basa Kwose kweBritain kwa1926. Muna 1930 CPGB yakavamba "Daily Worker" ("Morning Star"), iyo yakararama kupfuura bato uye pari zvino ndiyo pepanhau reSocialist rakakura uye rinoshanda kwenguva refu munhau yeBritain. Muna 1936 nhengo zhinji dzebato racho dzakanga dziripo paHondo yeCable Street, dzichibatsira kuronga kurwisana neBritish Union of Fascists. Munguva yeHondo yeVanhu yeSpain CPGB yakashanda neUSSR kugadzira maInternational Brigades, ichitora inopfuura hafu yenhengo dze2500 dzeBritish Battalion, iyo yakazotungamirirwa nemushandiri webato Bill Alexander. Munguva yeWWII, vechidiki vanoverengeka veCPGB vaitungamirirwa nevechidiki Norman Le Brocq vakatanga uye vakatungamira kurwisa kurwisa kweGerman kuJersey, vachigadzira iyo Jersey Democratic Movement kumasero akasiyana ekudzivirira. Vanotungamira veCPGB vaipinda mumhirizhonga yekuda kuti veruzhinji vawane nzvimbo dzekuvanda mabhomba, kuronga kubviswa kwevana mamirioni matatu kuenda kumaruwa, uye vaibatanidzwa zvakanyanya muhurukuro dzepashure pehondo maererano neshanduko yedzidzo uye kugadzirwa kweBritish National Health Service (NHS). Pashure pokukunda kweAllies pamusoro pevaNazi muna 1945, mitezo yeCPGB yakapetwa kanenge katatu pashure peWWII, ichisvika pakakwirira pokuzivikanwa kwayo.