Based on newly-released archive materials, this article examines some crucial decisions made by the White House during this historical moment, in the hope of revealing some features of U. S. decision making process.

• 本文根据近年来美国解密的档案和一些学者的研究,向读者揭示这段鲜为人知的历史内幕,并以此透视美国白宫的决策过程。