In 1960 which of the following contributed most directly to Soviet leader Nikita Khrushchev's cancellation of a scheduled summit
meeting with President Dwight D. Eisenhower?: A. the rise to power of Fidel Castro in Cuba.
B. the failure, at the Bay of Pigs, of a U. S.-sponsored attempt to oust Fidel Castro.
C. the downing of an American U-2 spy plane over the Soviet Union.
D. the sending of U. S. troops to Lebanon.
E. the success of the Soviet space program in launching the Sputnik satellite.
Answer: C. the downing of an American U-2 spy plane over the Soviet Union.
The downing of the American spy plane in Soviet Union named U-2 contributed mostly to the cancellation of a scheduled summit between the Soviet Union's leader Nikita Khrushchev and that of President Dwight D. Eisenhower.
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