The Eastern issue constituted a major political crisis in international politics. The properties of the (Ottoman Empire) need someone to determine their fate. There are countries that wish to gain their independence, and Balkan countries that aspire to be major countries , especially Serbia, and others that want to expand at their expense by carving out some Balkan lands, such as the Empire of Austria. Hungary, which included Bosnia and Herzegovina, as the legitimate heir of the Ottoman Empire's possessions in Europe or Russia, and its desire to unite the Slavs under its rule. The Bosnia and Herzegovina crisis has acquired a special importance in that problem. Due to its ability to influence the international balance of power approved by the Berlin Conference in 1878, this stage was characterized by the intertwining of European relations, and their complexity with the increased efforts of Russia to control the property of the Ottoman Empire. In addition to Britain's interests in the region, and its interest in the survival of the Berlin Agreement, or at least the protection of the Ottoman Empire, its strategic ally during that stage.