 Nyora kupfuurira kweiyi ndima - Bronski akanga ari muvambi weZimmerwaldsangano rinorwisana nehondo, uye nhume yePoland kumusangano wechipiri weZimmerwald muKienthal muna April 1916. Panguva iyoyo, akanga ava rutivi rworuboshwe rweZimmerwald, uye mubatsiri womutungamiriri weBolshevik, Vladimir Lenin. Pakazosvika 1916, vakanga vava pedyo nevavakidzani muZurich: akanga ari Bronski uyo akaunza Lenin nhau muna 1917 kuti February Revolution yakanga yaputika muRussia. Muna June 1917, akasvika kuPetrograd, uko akabatana neBolsheviks, akashanda mudhipatimendi reAgitprop rebato, uye akagadzirisa pepanhau remutauro wePolish Trybuna. Mushure meBolshevik Revolution, munaNovember 1917, akashanda kubhangi rehurumende, uye Kubvumbi akatarisira musangano wekutanga wevasungwa vehondo vakadai saBela Kun naJosip Broz Tito avo vakanga vatendeukira kuBolshevism. Kubva munaKurume 1918 kusvika munaNovember 1918 aive mutevedzeri wePeoples Commissar weCommerce neindasitiri uye kusvika muchirimo cha1919, aive Mutevedzeri wePeoples Commissar weCommerce neindasitiri. Muna 1919, akatumirwa kuGermany semumiriri weComintern, uye akataura kumusangano wekutanga weYoung Communist International mune imwe imba yewaini muBerlin munaNovember 1919, uye akatora chikamu mumusangano wakavanzika wechiKomonisiti muFrankfurt uye aive nhengo yeWestern Europe Secretariat. Zvisinei akanga achitsoropodza zvikuru utungamiriri hwaPaul Levi hweCommunist Party yeGermany panguva yeKapp Putsch uye akabva adzorerwa kuMoscow. 