Collective defense refers to the mutual agreement among multiple nations to come to each other's aid in the event of an attack or aggression. It is a commitment made by countries to defend one another against common threats.
Related terms
NATO (North Atlantic Treaty Organization): A military alliance formed by North American and European countries for collective defense against potential Soviet aggression.
Warsaw Pact: A collective defense treaty signed by several Eastern European countries as a response to NATO, led by the Soviet Union.
Cold War: A period of political tension between the United States and the Soviet Union, characterized by ideological conflicts and military build-up.