Deterrence: A strategy employed by both nations during the arms race, where they built up their nuclear capabilities to deter each other from initiating an attack.
MAD (Mutually Assured Destruction): A theory that suggests that both sides possessing enough nuclear weapons would prevent either side from launching an attack due to fear of complete annihilation.
Arms Control Treaty: Agreements between countries aimed at limiting or reducing the number of nuclear weapons in order to reduce tensions and promote peace.