Nagorno-Karabakh: How did Azerbaijan triumph over Armenia?

Azerbaijan’s 44 day offensive abruptly reshaped a decades-long, WWI-like trench war over Nagorno-Karabakh, an impoverished, breakaway region that is inside Azerbaijan’s borders but run by ethnic Armenians. Since the mid-1990s, when the battle over Nagorno-Karabakh killed more than 30,000 people and displaced