What event in the Balkans is often cited as the spark that ignited World War I?

Which region in the Balkans was known for its intense nationalism and conflicts leading up to World War I?

Which two countries' rivalry in the Balkans was a significant factor in the lead-up to World War I?

What was the name of the alliance system that contributed to the escalation of conflict in the Balkans prior to World War I?

What was one major consequence of the Balkan Wars (1912-1913)?

What was the primary cause of the tensions in the Balkans prior to World War I?

Which significant event in 1914 led to the declaration of war by major powers, marking the start of World War I?

Which country was directly blamed for the assassination of Archduke Franz Ferdinand, leading to a series of ultimatums and declarations of war?

What was one reason for the rise of nationalism in the Balkans prior to World War I?

Which two alliances were formed prior to World War I that contributed to the conflict in the Balkans?