collective defense agreement

C89
concept

A collective defense agreement is a formal pact among multiple states committing each to consider an attack on one member as an attack on all and to respond with coordinated defense measures.

All labels observed (26)

Label Occurrences
political alliance 157
military alliance 152
defensive alliance 14

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: collective defense agreement
Generated description
A collective defense agreement is a formal pact among multiple states committing each to consider an attack on one member as an attack on all and to respond with coordinated defense measures.

Instances (334)

Instance Via concept surface
League of Armed Neutrality (1780) military alliance
Schmalkaldic League defensive alliance
Treaty of Friendship, Cooperation and Mutual Assistance collective defense treaty
Livonian Confederation military alliance
March 14 Alliance political alliance
Second French Empire–British alliance in Crimean War military alliance
Second League of Armed Neutrality military alliance
National Front
surface form: National Front (East Germany)
political alliance
NF political alliance
Anglo-Prussian alliance military alliance
Układ Warszawski military alliance
Targowica Confederation political alliance
Cambrai League military alliance
First Treaty of Versailles (1756) defensive alliance
French-Catalan alliance of 1641 military alliance
Alliance for Sweden (historical centre-right alliance)
surface form: Alliance for Sweden
political alliance
Franco-Münster alliance against the Dutch Republic military alliance
Treaty of Alliance (1778) military alliance
British Commonwealth forces military alliance
United States–Philippines alliance military alliance
Triple Entente military alliance
Austro-Russian-Saxon coalition military alliance
Gothic coalition military alliance
NATO military alliance
Oirat confederation (periodically)
surface form: Oirat confederation
political alliance
Northern Alliance military alliance
Pragmatic Army military alliance
Declaration by United Nations wartime alliance agreement
Unie van Brussel political alliance
ANZUS military alliance
Papal–Frankish alliance political alliance
Akbar–Rajput alliance political alliance
Gahal political alliance
Finno-Soviet Treaty of 1948 defence treaty
Agreement of Friendship, Cooperation, and Mutual Assistance (1948) defense pact
YYA Treaty mutual assistance treaty
Treaty of Windsor (1386) alliance treaty
Visegrád Group political alliance
Holy Alliance political alliance
League of Corinth military alliance
Achaemenid–Macedonian dynastic union political alliance
Hadash political alliance
Balkan Pact military alliance
Axis alliance military alliance
Czechoslovak centralist parties political alliance
National Progressive Front (through ruling party, in many periods)
surface form: National Progressive Front (Syria)
political alliance
League of Mechlin political alliance
1960 Treaty of Mutual Cooperation and Security defense pact
Slovak Democratic Coalition political alliance
Allied forces
surface form: Allied forces (Seven Years' War)
military alliance