President kennedy's purpose in the last paragraph of the speech is to a. inspire his listeners. b. explain his reasoning. c. step back emotionally. d. summarize his ideas. last paragraph: this nation has tossed its cap over the wall of space, and we have no choice but to follow it. whatever the difficulties, they will be overcome. whatever the hazards, they must be guarded against. with the vital of this aerospace medical center, with the of all those who labor in the space endeavor, with the and support of all americans, we will climb this wall with safety and with speed—and we shall then explore the wonders on the other side.