1 8 ▁and ▁started ▁peace ▁tal ks ▁with ▁the ▁Ott om ans . ▁In ternal ▁disag re ements ▁led ▁to ▁Georgia ▁leaving ▁the ▁feder ation ▁in ▁May ▁ 1 9 1 8 , ▁followed ▁shortly ▁there after ▁by ▁Armen ia ▁and ▁A zer ba ij an . ▁With ▁the ▁Ott om ans ▁having ▁inv aded ▁the ▁C au cas us ▁and ▁quickly ▁gained ▁ground , ▁the ▁three ▁new ▁republic s ▁were ▁comp elled ▁to ▁sign ▁the ▁Tre aty ▁of ▁Bat um ▁on ▁ 4 ▁June ▁ 1 9 1 8 , ▁by ▁which ▁they ▁recogn ised ▁the ▁pre - 1 8 7 8 ▁border . ▁ ▁With ▁the ▁Ott oman ▁Empire ▁defeated ▁in ▁Europe ▁and ▁Arab ia , ▁the ▁Al lied ▁powers ▁planned ▁to ▁partition ▁it ▁via ▁the ▁ 1 9 2 0 ▁Tre aty ▁of ▁S è v res . ▁Turkish ▁national ists ▁were ▁out rag ed ▁at ▁the ▁treat y , ▁contrib uting ▁to ▁the ▁out break ▁the ▁Turkish ▁War ▁of ▁Independ ence ; ▁the ▁Turkish ▁success ▁in ▁this ▁conflict ▁rendered ▁S è v res ▁ob sole te . ▁Ott oman ▁g ains ▁in ▁Armen ia ▁were ▁cons olid ated ▁by ▁the ▁Tre aty ▁of ▁Aleks and ropol ▁( 1 9 2 0 ). ▁ ▁Armen ia ▁and ▁A zer ba ij an ▁had ▁fought ▁for ▁control ▁of ▁N akh ch ivan , ▁with ▁A zer ba ij an ▁backing ▁the ▁pro - A zer i ▁Republic ▁of ▁Ar as . ▁The ▁dispute ▁was ▁rendered ▁mo ot ▁when , ▁in ▁