Armed Conflict

A)  Conflict between two or more parties, but usually between the state and an anti-state group or groups using weapons on a sustained basis.

B)  Combat between forces that both possess weapons. Hostilities of a kind which breach, or threaten to breach, international peace and security, such as invasions, interventions, border clashes and incursions, and also civil strife with some external dimension. Most commonly, this dimension would involve either support from external patrons, or the threat of spillover effects in neighboring countries from refugee flows and the like.