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Which of the following was a direct result of the Soviet Union's 1957 launching of Sputnik?
The increase of U-2 spy plane flights over Soviet airspace.
A significant drop in President Eisenhower's popularity with the American public.
NASA initiated the Apollo program, with the goal of landing a man on the moon by 1970.
Congress passed The National Defense Education Act of 1958.
The development of the hydrogen bomb.