▁a ▁treat y ▁signed ▁by ▁I rat aba ▁and ▁the ▁Ch eme h ue vi ▁leader ▁Pan ▁Co yer ▁restored ▁peace ful ▁relations ▁between ▁the ▁two ▁nations . ▁ ▁I rat aba ▁also ▁wel com ed ▁bands ▁of ▁Y av ap ai ▁onto ▁the ▁res ervation ▁after ▁they ▁had ▁been ▁subject ▁to ▁mass ac res ▁by ▁US ▁troops , ▁or ▁suffered ▁star v ation ▁due ▁to ▁having ▁been ▁driven ▁from ▁their ▁lands . ▁The ▁me ager ▁resources ▁of ▁the ▁res ervation ▁proved ▁unable ▁to ▁sust ain ▁the ▁additional ▁population ▁and ▁eventually ▁the ▁Y av ap ai ▁had ▁to ▁leave . ▁I rat aba ▁frequently ▁served ▁as ▁a ▁medi ator ▁between ▁Y av ap ai ▁and ▁Wal ap ai ▁who ▁had ▁become ▁em bro iled ▁in ▁conflicts ▁with ▁the ▁US ▁army , ▁and ▁participated ▁in ▁peace ▁parl ays . ▁In ▁ 1 8 7 1 – 7 2 , ▁General ▁George ▁Cro ok ▁came ▁to ▁the ▁Moh ave ▁res ervation ▁looking ▁for ▁a ▁group ▁of ▁Y av ap ai ▁thought ▁to ▁be ▁responsible ▁for ▁the ▁W icken burg ▁Mass acre , ▁and ▁I rat aba ▁had ▁no ▁choice ▁but ▁to ▁turn ▁the ▁war ▁party ▁over ▁to ▁the ▁army . ▁He ▁tra ve led ▁to ▁the ▁trial ▁proceed ings ▁at ▁Fort ▁Date ▁Creek , ▁where ▁he ▁was ▁instruct ed ▁to ▁hand ▁to b acco ▁to ▁the ▁Y av ap ai ▁he ▁believed ▁to ▁be ▁responsible , ▁as ▁a ▁way ▁for ▁him ▁to ▁test ify ▁against ▁them ▁without ▁their ▁real izing ▁it . ▁As ▁soldiers ▁attempted