So they came by the thousands - kids really, twenty-somethings, a few in their thirties. No one knew for sure how to get to the moon, how to land, or get home. But their goal was clear-cut, and that was enough. That gave them purpose: a reason to puzzle out the problems and seek solutions rather than sleep.
—Team Moon: How 400,000 People
Landed Apollo 11 on the Moon,
Catherine Thimmesh
How do both passages describe the people involved in the lunar landing?
They show that many people worked on the project and demonstrate how hard they worked.
They show that the engineers worked the hardest.
They show that the engineers lost sleep on the project.
They show that many people worked on the project and describe the problems they faced