Croats of Bosnia and Herzegovina transferred to the Austro-Hungarian Empire. Even after the fall of the Ottoman rule, the population of Bosnia and Herzegovina was divided. In the Habsburg Kingdom of Croatia, Croatian politicians strived for the unification of the Kingdom of Dalmatia with Croatia. Another ambition of Croatian politicians was to incorporate the Condominium of Bosnia and Herzegovina into the Kingdom of Croatia. The Habsburg Governor Béni Kállay resorted to co-opt religious institutions. Soon, the Austrian Emperor gained support to name Orthodox metropolitans and Catholic bishops and to choose Muslim hierarchy. The first Catholic archbishop was Josip Stadler. Both apostolic vicarates, Bosnian and Herzegovinian,
Agreement on Friendship and Cooperation between Bosnia and Herzegovina and Croatia Herzegovina (ARBiH). Izetbegović, who had hoped to prevent Bosnia Herzegovina from falling under the influence of Croatia or Serbia, signed the agreement after Stjepan Kljuić, president of the Croatian Democratic Union's (HDZ) branch in Bosnia and Herzegovina, was replaced by Tuđman with Mate Boban, who blocked the delivery of supplies to Sarajevo where a siege was under way and had proclaimed an independent Croatian Republic of Herzeg-Bosnia (HR-HB). The agreement fell apart in October after a number of events including the assassination of Blaž Kraljević, leader of Croatian Defence Forces (HOS) in Bosnia and Herzegovina, the fall of the areas