 Complete the following phrase:  Instability in the Balkan region in the early 1900s quickly became a precondition for a new war. Serbias aspirations towards Bosnia and Herzegovina were thwarted by the Austrian annexation of the province in October 1908, so the Serbs focused their attention onto their historic cradle, Kosovo, and to the south for expansion. Greek officers, revolting in August 1909, had secured the appointment of a progressive government under Eleftherios Venizelos, which they hoped would resolve the Cretan issue in Greeces favor and reverse their 