In Part B, which TWO of the following quotes best support the answer to Part A?
A. "...the vast stretches of the unknown and the unanswered and the unfinished still far outstrip our collective comprehension"
B. "...some would have us stay where we are a little longer to rest, to wait."
C. "Yet the vows of this Nation can only be fulfilled if we in this Nation are first, and, therefore, we intend to be first"
D. "Whether it [space] will become a force for good or ill depends on man, and only if the United States occupies a position of pre-eminence can we help decide whether this new ocean will be a sea of peace or a new terrifying theater of war."
