<prompt> Pedzisa mutsara unotevera: Muna 1937, vaTrotskyist vakadzingwa muSocialist Party, chiito chakatungamirira kukuumbwa kweSocialist Workers Party SWP pakupera kwegore. Mukati meSWP, Burnham akabatana naMax Shachtman muhondo yezvikwata pamusoro pechinzvimbo chechikamu chikuru cheSWP, chakatungamirwa naJames P. Cannon uye chakatsigirwa naLeon Trotsky, vachidzivirira Soviet Union senyika yevashandi yakashatiswa kupokana nekupinda kweumambo. Shachtman naBurnham, zvikurukuru pashure pokupupurira chibvumirano cheNazi-Soviet cha1939 nokupinda muPoland, Latvia, Lithuania, neEstonia nehurumende yaJoseph Stalin, pamwe chete nehurumende yeGermany,  <response>: Kupinda kweSoviet muFinland muna November 1939, kwakauya kuzopikisa kuti USSR yakanga iri chimiro chitsva chenzanga yenzanga yamadzimambo uye nokudaro yakanga isina kukodzera kunyange tsigiro yokutsoropodza inobva kunzanga yezvematongerwe enyika. 