Using materials from the Russian Foreign Ministry archive in Moscow (combined with previously obtained Brazilian and U.S. sources), this research note presents fresh evidence about Soviet-Brazilian relations and the October 1962 Cuban missile crisis, supplementing a detailed, two-part article published in the Journal of Cold War Studies in 2004 exploring Brazil's secret mediation between John F. Kennedy and Fidel Castro at the height of the crisis. The new evidence illuminates a previously hidden “double game” that Brazil's president, João Goulart, played during the crisis as he alternated between meetings with the U.S. ambassador and Nikita Khrushchev's recently arrived envoy (Brazil and the Soviet Union had just restored diplomatic relations after a fifteen-year break). The new evidence from Moscow suggests that Goulart, who vowed solidarity with Washington and even toasted Kennedy's “victory” when talking to the U.S. ambassador, took a completely different approach when speaking to Soviet officials, expressing strong sympathy and even support for Khrushchev.

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苏巴关系与古巴导弹危机

这份研究报告使用莫斯科俄罗斯外交部档案中的材料（结合先前获得的巴西和美国来源），提供了关于苏联-巴西关系和 1962 年 10 月古巴导弹危机的新证据，补充了发表在2004 年《冷战研究杂志》探索了巴西在危机最严重时期在约翰·肯尼迪和菲德尔·卡斯特罗之间进行的秘密调解。新证据揭示了巴西总统若昂·古拉特在危机期间与美国大使和尼基塔·赫鲁晓夫（Nikita Khrushchev）最近抵达的特使（巴西和苏联刚刚恢复外交关系）在危机期间进行的一场先前隐藏的“双重游戏”。十五年的休息）。来自莫斯科的新证据表明，古拉特，