I can provide you with a free copy of the book, if you'd like. Sadly, this cannot be answered directly.
It is a claim. Kennedy is claiming that the space program contributes to the strength of the nation.
"The Adventures of Huckleberry Finn," by Mark Twain, has received both acclaim and disapprove. Its recognition has been given because of its brilliant and vivid portrayal of characters and places. Besides, set in the Mississippi River in times of slavery, the lively adventures of Huck and Jim running away have become most people's devotion.
On the other hand, others have criticized the story due to its considerable amount of rude language. Thus, there has disagreement whether Tom or the author himself are racist or non-racist. One of the reasons is the extensive use of the word "n****r," which is still a matter of dispute.
Asking : Can I have a candy bar?
Giving : Here is the ticket that you asked for.
Denying: Thanks for inviting me, but I'll have to turn this down for now.
I hope this helps :3