6 days ago · War, in the popular sense, a conflict between political groups involving hostilities of considerable duration and magnitude. Sociologists usually apply the term to such conflicts only if …

The Britannica Dictionary defines war as a state of conflict or competition between countries, groups, or individuals.

Apr 15, 2026 · Just war theory is the notion that the use of armed force is justified under certain conditions; also, the notion that such force should be limited in certain ways.

Proxy war, a military conflict in which one or more third parties directly or indirectly support one or more state or nonstate combatants in an effort to influence the conflict’s outcome and thereby to advance …

Mar 9, 2026 · Total war, military conflict in which the contenders are willing to make any sacrifice in lives and other resources to obtain a complete victory, as distinguished from limited war. In general, the …

Law of war, that part of international law dealing with the inception, conduct, and termination of warfare. Its aim is to limit the suffering caused to combatants and, more particularly, to those who may be …

Mar 26, 2026 · Opium Wars, two mid-19th-century armed conflicts between China and Western countries. The first Opium War (1839–42) was fought between China and Britain; the second Opium …

Civil war is a violent conflict between a state and one or more organized non-state actors in the state’s territory.

Apr 17, 2026 · War crime, in international law, a serious violation of the laws and customs of war. The term war crime has been difficult to define with precision, and its usage has evolved constantly, …

Apr 1, 2026 · Six-Day War is a brief Arab-Israeli war that took place June 5–10, 1967. After months of escalation, Israel conducted a preemptive air assault demobilizing its neighbors’ air force capabilities, …