Geographically separated from the West Slavs and East Slavs by Austria, Hungary, Romania, and the Black Sea, the SouthSlavs today include Bosniaks, Bulgarians
in neighbouring lands disturbed the Austrians, who wished to avoid a SouthSlav uprising in the Habsburg territories. Consequently, Vienna increased its
ruled the SouthSlavs for centuries. These were mainly the Byzantine Empire, Austria-Hungary, the Ottoman Empire, and Venice. Extensive pan-Slavism began
Balkan nationalism: Russian influence in the internal affairs of Bulgaria and Serbia, 1879-1886 (1958). Jelavich, Charles. 1990. SouthSlavnationalisms--textbooks