Metaphor is using like or as a symbol is what it stands for
"Kennedy's claim is for Americans to be bold by sending a giant rocket to the moon and return it safely to earth, to do it right, and <span>do it First before this decade is out,"</span>
I would say "a logical argument." The writer never mentions an expert opinion a statistic or a personal observation. The writer says its not worth the risk, making it logical.
My height.so i could see over people