Answer: Understand that President Kennedy wanted the United States to put a man on the moon before the year 1970.
Explanation:
This excerpt is describing how and why did Kennedy came to this decision to put a man on the moon. His decision was actually triggered by Soviet Union's ''Space race''.
The Soviets were first in space and in July 1969. after eight years he was challenged to put a man on the moon ''before the decade is out'' so he did that. That is why the correct answer is that he wanted to put a man on the moon before the year 1970. He was inspired by ''space race'' and that brought him to this challenge.
