 Nyora kupfuurira kweiyi ndima - Muna 1903, pa 2nd Congress yeRussian Social Democratic Labour PartymuLondon, bato rakakamukana kuva mapapiro maviri: vaMenshevik vanodzidza zvishoma nezvishoma uye vaBolshevik vakasimba zvikuru. VaMensheviki vaidavira kuti kirasi yevashandi vokuRussia yakanga isina kukura zvakakwana uye kuti kushamwaridzana kwaigona kuwanwa bedzi pashure penguva yokutonga kwedemokrasi kwevagari vomumusha. Nokudaro vaiwanzozvibatanidza vamene namasimba orusununguko rwomugariro wamadzishe. VaBolshevik, vachitungamirirwa naVladimir Lenin, vakatsigira pfungwa yokuumba boka duku revapanduki vane unyanzvi, vachidzorwa nokurangwa kwakasimba kwebato, kuti vashande sevatungamiriri veboka revashandi kuitira kuti vatore simba nesimba. 