Pedzisa mutsara unotevera: VaIdrisid vakatendeukira kuna Ibn Saud vachitsvaka kudzivirirwa kwake kubva kuna Yahya. Muna 1932, zvisinei, vaIdrisid vakaputsa chibvumirano chavo naIbn Saud ndokudzokera kuna Imam Yahya vachitsvaka rubatsiro kurwisa Ibn Saud iye amene, uyo akanga atanga kubvisa masimba avo uye akataura chido chake chokubatanidza nzvimbo idzodzo munzvimbo yake yeSaudi. Imam Yahya akarayira kudzorerwa kwouchangamire hwose hweIdrisi. Gore iroro, boka revaHedjazi vakasununguka vakatiza vachienda kuYemen uye vakaronga kudzinga Ibn Saud kubva kuHedjaz iyo yaimbova Heshemite Kingdom iyo yakanga iri
rakakundwa navaSaudi makore manomwe akanga apfuura. Ibn Saud akakumbira kubatsirwa neBritain. Hurumende yeBritain yakatumira zvombo nendege. VaBritain vaishushikana kuti zvinetso zvemari zvaIbn Saud zvingakurudzira Umambo hweItaly kumununura. Ibn Saud akadzvinyirira kupandukira kweAsiri muna 1933, mushure mezvo maIdrisids akatizira kuSana'a. Nhaurirano pakati paImam Yahya naIbn Saud dzakaratidza kuva dzisina zvibereko. Pashure pokurwisana kwechiuto, Ibn Saud akazivisa kumira kwechimbichimbi muna May 1934. Imam Yahya akabvuma kusunungura vasungwa veSaudi uye kupa mhuri yeIdrisis kuSaudi. Imam Yahya akasiya mapurovhinzi matatu eNajran, Asir neJazan kwemakore makumi maviri uye akasaina chimwe chibvumirano nehurumende yeBritain muna 1934. Imam akabvuma ukuru hweBritain pamusoro peAden protectorate kwemakore 40. Yahya akazviisa pasi pezvaidiwa neSaudi neBritain achitya Al Hudaydah. Maererano naBernard Reich, Purofesa wePolitical Science and International Affairs paGeorge Washington University, Yahya angadai akaita zviri nani nokurongazve madzinza evaZaydi vomunzvimbo dzakakwirira dzokuchamhembe sezvakaitwa nemadzitateguru ake pakurwisana nevavhozhokeri vechiTurkey nevaBritain uye kushandura nyika dzavakanga vatora kuva imwe nzvimbo yokuviga.