Final answer:
Nationalist tensions in the Balkans were driven by the decline of empires, imperial rivalries, and the Pan-Slavic movement.
Explanation:
Nationalist tensions emerged in the Balkans due to various factors:
- Multinational empires: The decline of the Ottoman and Austro-Hungarian empires fueled nationalist desires for independent sovereign states among ethnic groups in the Balkans.
- Imperial rivalries: Russia and Austria-Hungary sought dominance in the region, leading to heightened tensions.
- Pan-Slavism: The Pan-Slavic movement supported by Russia aimed to unite Slavic peoples and challenge Austria-Hungary's influence.
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