RESUMO
Palavras-chave: Primazia Nuclear; Estados Unidos; Destruição Mútua Assegurada
ABSTRACT
This paper has, as objective, through a brief analysis about the United States' nuclear primacy in the immediate post-World War II, of the balance of power established during the Cold War and of the doctrine of Mutual Assured Destruction (MAD), to present the North American new search for nuclear primacy and its consequences before MAD.The perceived main conclusion is that the international system, in years ahead, will become multipolar.