The text that is vouched by supportive evidence and reasons is given in option (c) or (iii): "The success of Apollo 11 ended the Space Race, and the United States was the winner."
With the landing on the moon on "July 20, 1969," America effectively "won" the space race that had begun 12 years earlier with the launch of Sputnik.
The United States (US) effectively "won" the space race that began with the launch of Sputnik in 1957 by landing on the moon.
Between 1969 and 1972, the Soviets attempted four times to launch a lunar landing craft, including a spectacular launch-pad explosion in July 1969.
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