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Cuba seeks investments amid relaxed sanctions
04:56 - Source: CNN
Washington CNN  — 

President Barack Obama jolted the long, tumultuous relationship between the United States and Cuba with his decision to normalize relations with a country that has fascinated and vexed Americans since the days of Theodore Roosevelt.

The decision led CNN to dig through the U.S. National Archives, finding troves of de-classified documents and letters that paint a fascinating picture of two nations as they begin to re-engage after a decades-long stand-off.

Here are a few of our favorite finds:

A young Fidel Castro sent this letter to FDR in 1940.

In 1940, a young Fidel Castro sent a letter to the White House praising Franklin Roosevelt and asking for a $10 bill

Castro was a teenager with basic English skills when he sent then-President Franklin Roosevelt a handwritten letter praising the American leader. He also had one special request: He wanted to add a $10 bill to his collection of American currency.

“My good friend Roosevelt,” the letter Castro began, “I like to hear the radio, and I am very happy because I heard in it that you will be President for a new [term]. “If you like, give me a ten dollars bill green american in the letter because never, I have not seen a ten dollars bill green american and I would like to have on of them.”

The CIA conducted a psychiatric evaluation of Fidel Castro in 1961

Years later, American spies conducted a “psychiatric personality” study of Cuba’s young new leader in 1961 during John F. Kennedy’s administration, and concluded that he was “highly neurotic,” “unstable” and “vulnerable to certain kinds of psychological pressure.”

The CIA conducted a psychiatric evaluation of Fidel Castro in 1961. (National Archives)

The two-page memo relayed that Castro thrived on praise, and that his thirst for power could also bring his downfall.

“Castro’s egoism is his Achilles heel,” the CIA report, which was declassified in the 1990s, reads. “The extreme narcissistic qualities of his personality are so evident as to suggest predictable patterns of action during both victory and defeat.”

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The report also outlined ways the U.S. government could exploit his perceived emotional weaknesses.

“Castro is a person of superior intellectual endowment with insatiable narcissistic and exhibitionistic needs,” and propaganda aimed at these characteristics would have an impact on Castro, the report read.

JFK personally annoted this map during the Cuban Missile Crisis