Demographic history of Bosnia and Herzegovina of Catholic preachers. Preottoman Catholic population had a great share in the emigrations from Bosnia and Herzegovina. The emigration flows were directed towards Dalmatia, Croatia, Slavonia, Baranja and north-west Bačka. The western part of today's region of Bosnia, today known as Bosnian Krajina, was taken by the Ottomans in the 16th century, and was for some time still known as "Turkish Croatia", as its once overwhelming Catholic and Croat majority disappeared and the Ottomans entrenched the new border along the Sava and Una rivers. After more than a century of military losses, the Habsburg Empire waged some victorious wars against
Agreement on Friendship and Cooperation between Bosnia and Herzegovina and Croatia Cooperation between the Republic of Bosnia and Herzegovina and the Republic of Croatia" in Zagreb, Croatia. The agreement allowed them to "cooperate in opposing [the Serb] aggression" and coordinate military efforts. It placed the HVO under the command of the ARBiH. Cooperation was inharmonious, but enabled the transportation of weapons to ARBiH through Croatia in spite of the UN sanctioned arms embargo, reopening channels blocked by Boban. It established "economic, financial, cultural, educational, scientific and religious cooperation" between the signatories. It also stipulated that Bosnian Croats hold dual citizenship for both Bosnia and Herzegovina and for Croatia. This was criticized