Answer:
Both of them were famous aviators who trained in San Antonio, where Kennedy is speaking.
Explanation:
In order for life to have gotten started, there must have been a genetic molecule.something like DNA or RNA,capable of passing along blueprints for making proteins, the workhorse molecules of life.
It seems as though the Author's purpose is to appeal to a reader's sense of positivity.
I am actually only in 5th grade I do not know the story.