which sentence from the speech best supports Kennedy's assertion that winning the race for space is essential to peacekeeping

Hi, you've asked an incomplete question. However, here're the options:

A) No nation which expects to be the leader of other nations can expect to stay behind in this race for space.

B) We have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.

C) We have vowed that we shall not see space filled with weapons of mass destruction, but with instruments of knowledge and understanding,...

C) We have vowed that we shall not see space filled with weapons of mass destruction, but with instruments of knowledge and understanding,...

Explanation:

This historic RICE STADIUM MOON SPEECH of President Kennedy included several references to America the leading race for space exploration. However, the sentence from the speech that best supports Kennedy's assertion that winning the race for space is essential to peacekeeping was when referring to the American nation he said,

"We have vowed that we shall not see space filled with weapons of mass destruction, but with instruments of knowledge and understanding."

By saying space would be filled "with instruments of knowledge and understanding,"  Kennedy was calling for peace as America diverts some of its funds to space research.

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