Refers to an armed conflict between factions within the same country. Neutral, factual term used in news and historical contexts.
その国は長い内戦で荒廃した。
The country was devastated by a long civil war.
Ten years have passed since the civil war ended.
Civil war broke out in that country, and many citizens fled.
The civil war has been going on for over ten years in that region.
The political conflict eventually escalated into a civil war.
The UN tried to mediate and end the civil war.