See also: Civil War
- A war fought between factions of the inhabitants of a single country, or a similar political entity.
- 2015, Shane R. Reeves; David Wallace, “The Combatant Status of the “Little Green Men” and Other Participants in the Ukraine Conflict”, in International Law Studies, US Naval War College, volume 91, number 361, Stockton Center for the Study of International Law, page 393:
- The “little green men”—faces covered, wearing unmarked olive uniforms, speaking Russian and using Russian weapons—have played a significant role in both the occupation of Crimea and the civil war in eastern Ukraine.196
war between factions within a single country