Austro-Hungarian rule in Bosnia and Herzegovina power over the Catholic Church in Bosnia and Herzegovina, the Emperor established the cathedral in Sarajevo and named Archbishop Dr. Josip Štadler as its head. Just before the occupation of Bosnia and Herzegovina, the Croatian Sabor asked the Emperor to alter the situation in Bosnia and Herzegovina so it could be unified with the Kingdom of Croatia-Slavonia and the Kingdom of Dalmatia. The Emperor refused to accept this demand and dismissed the Sabor. This was done as the Austrian-Hungarian authorities had a plan to isolate Bosnia and Herzegovina from its neighbouring Slavic countries, Croatia and Serbia, and to halt the
Serbs of Bosnia and Herzegovina Muslim populace from all over the Balkans gradually settled the last pockets of Ottoman rule in the Balkans, one of which is Bosnia. In 1878, Bosnia and Herzegovina became a protectorate of Austria-Hungary, which the Serbs strongly opposed, even launching guerrilla operations against Austo-Hunagrian forces. Even after the fall of the Ottoman rule, the population of Bosnia and Herzegovina was divided. Serbian politicians in the Kingdom of Serbia and the Principality of Montenegro sought to annex Bosnia & Herzegovina into a unified Serbian state and that aspiration often caused political tension with Austria-Hungary. Another ambition of Serbian politicians was to