What term describes a formal agreement between two or more military factions related to wartime planning, commitments, or contingencies, which can be defensive or offensive?

• A. Treaty
• B. Pact
• C. Alliance
• D. Coalition

Answer: (C)

A military alliance is a formal arrangement between two or more groups to cooperate on defense and war planning, including commitments to support each other and plan for contingencies, whether defensive or offensive. This matches the description in the question because it highlights joint planning and mutual commitments that can cover both defensive and offensive actions.

Other terms can describe formal agreements, but they don’t fit as precisely. A treaty is a broad formal agreement between parties that can cover many topics, not necessarily focused on ongoing military planning or mutual defense. A pact is another formal agreement but can be less formal or binding in nature and not always centered on long-term defense cooperation. A coalition is typically a temporary, goal-specific alliance formed for a particular operation, rather than a lasting defense-oriented arrangement. Therefore, the term that best captures a formal, ongoing mutual-defense and wartime-planning relationship is alliance.