Why Azerbaijan and Armenia went to war over Nagorno-Karabakh

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A decades-long, deadly conflict in the disputed region of Nagorno-Karabakh is widely expected to end by the start of 2024, after ethnic Armenian separatists agreed to dissolve their government in the area and become a formal part of Armenia’s neighbour Azerbaijan. The agreement could alter the balance of power in the South Caucasus, a region sitting at the junction of Central Asia, Europe and the Middle East.