For other uses, see civil war (disambiguation). See list of civil wars for individual examples. A civil war is a war in which parties within the same culture, society or nationality fight against each other for the control of political power. Some civil wars are categorized as revolutions when major societal restructuring is a possible outcome of the conflict. An insurgency, whether successful or not, is likely to be classified as a civil war by some historians if, and only if, organized armies fight conventional battles. Other historians state the criterion for a civil war is that there must be prolonged violence between organized factions or defined regions of a country (conventionally fought or not).
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Noun 1. a war between factions in the same country (hypernym) war, warfare (hyponym) American Civil War, United States Civil War, War between the States