 Nyora kupfuurira kweiyi ndima - Kuderera kweuto reRussia kwakatungamira maOttoman kuti afambire mberi akananga kuCaspian Sea, uko maGerman nemaOttoman vaida kutora Baku. Kusanzwisisana kwemukati kwakaita kuti kufambira mberi kwavo kunonoke uye kumaodzanyemba mushure maApril, vaArmenia, vaAsiria uye mamwe mauto eRussia, vakakwanisa kumisa kufambira mberi padyo neUrmia kuchamhembe kwakadziva kumadokero kweIran, kubva kunzira yePersia. Iran yakanga isina kugadzikana mune zvematongerwo enyika uye vamiririri veCentral Powers vakaedza kuwedzera matambudziko eBritish muIndia; Dunsterforce yaive nechinangwa chekuwedzera cordon muIran, yaive nechinangwa chekudzivirira kusagadzikana kupararira kuIndia. Kubva panjanji yeBritish muMesopotamia kuenda kumhenderekedzo yeCaspian yaive pedyo uye mota-mutsara wakapfuura nepamusoro pekupedzisira kweBritish paPai Tak zvakare Pai Taq, ndokuzofambisa kuburikidza neKermanshah, Hamadan uyezve Kazvin mberi, kuenda kumakomo eElburz, pamusoro peBulagh Pass uye munzvimbo dzakakwirira dzesango reGilan Province, imba yeJungle Movement yeGilanJangali yaitungamirirwa naKuchik Khan Around Resht naBandar-e Anzali pamhenderekedzo yeCaspian, vamiririri veGerman neAustria vakanga vaumba chiyero chekupesvedzera neJangali. Dunsterville akawana kuti zviuru zvemauto eRussia, aimbove chikamu cheuto rekugara kuchamhembe kweIran, pasi paGeneral Nikolai Baratov, vaibvumidzwa kufamba vakasununguka uye musi wa17 Kukadzi, bato raDunsterville rakasvika Bandar-e Anzali. 