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civil war; insurrection; rebellion; domestic conflict
内乱によって国土は荒廃し多くの難民が生まれた。
Due to civil war, the country was devastated and many refugees were created.
長引く内乱は国の経済に深刻な打撃を与えている。
The prolonged civil war is dealing a serious blow to the country's economy.
内乱を収束させるための和平交渉が始まったそうだ。
I hear peace negotiations to end the civil war have begun.