 Nyora kupfuurira kweiyi ndima - Churchill akava Munyori weHurumende weColonies muna February 1921. Mwedzi wakatevera, kuratidzwa kwokutanga kwemifananidzo yake kwakaitwa; kwakaitika muParis, Churchill achiratidzira pasi pezita risiri rake. Muna May, amai vake vakafa, vachiteverwa nomwanasikana wavo Marigold muna August. Nyaya inokosha mugore iroro yaiva Hondo yeIrish yokuzvimiririra yakanga ichiri kupfuurira. Kuti agumise, Churchill akasundira kumbomira kurwa, uko kwakatanga kushanda muna July. Muna October, akanga ari pakati pevanokurukura vanomwe veBritain vakasangana nevatungamiriri veSinn Féin muDowning Street. Akakurudzira kuti Ireland ipiwe kuzvitonga mukati meHumambo asi nemapurovhinzi matanhatu ePurotesitendi-akawanda eUlster ane kuzvitonga kubva kuhurumende yeDublin: Ulster Unionists vakaramba izvi. Ipapo kwakagamuchirwa kuti Ireland yaizogoverwa; rutivi rukuru rwenyika rwaizoumba Irish Free State, nepo nzvimbo dzine vaPurotesitendi vakawanda dzaizoumba Northern Ireland ndokuramba dziri rutivi rweUnited Kingdom. Ikoku kwakanyorwa muAnglo-Irish Treaty, iyo Churchill akabetsera kunyora. Pashure pechibvumirano chacho, Churchill akabudirira kukumbira kuti nhengo dzeSinn Féin dzaiva nemhosva dzokuponda dzibvisirwe mutongo worufu. Sezvo Ireland yakapinda muhondo yavagari vemopakati pevatsigiri nevapikisi veRepublican vesungano yacho, Churchill akapa zvombo kumasimba ehurumende yaMichael Collins yaitsigira chibvumirano chacho. 