<prompt> Nyorai kupfuurira kweiyi ndima - Muna January 1931, Walker akatanga kushanya kuSoviet Union, achienda kuInternational Lenin School muMoscow. Akadzokera kuAustralia muna March 1933 uye akachinja zita rake kuva Richard Dixon mukuedza kunzvenga ngwariro yebasa rezvokuchengetedza, iro rakanga ramuti mutsotsi ane ngozi. Akava munyori mukuru weCPA muna 1937. Pana 25 March 1939 akaroora Dorothy Jean Button pahofisi yekunyoresa muNorth Sydney. Akasarudzwa kuva purezidhendi wenyika yeCPA muna 1948. Muna 1945 akarwisa mutemo weWhite Australia semusaruraganda uye unogumbura, uye akamiririra CPA pakomisheni yeumambo yaPetrov muna 1954. Kunyange zvazvo akanga akavimbika kuSoviet Union, akabvumirana nepfungwa yokuzvimiririra yeCPA muma1960 uye haana kubvumirana nokupinda muSoviet Union muna 1968  <response>: weCzechoslovakia. Dixon akasiya basa semutungamiri wenyika weCPA muna 1972 uye akafa muna 1976 nechirwere chemwoyo chakakwirira muBankstown. 