Containment: A foreign policy strategy adopted by the United States to prevent the spread of communism during the Cold War, through diplomatic, economic, and military means.
Mutually Assured Destruction (MAD): A military doctrine that held that a full-scale use of nuclear weapons by two or more opposing sides would cause the complete annihilation of both belligerents, and thus serve as a deterrent to nuclear war.
Non-Aligned Movement: An international organization founded during the Cold War, consisting of countries that did not formally align themselves with either the United States or the Soviet Union, but sought to remain independent of the two superpowers.