Answer:
to help the reader understand the intense pressure of the situation
Explanation:
This is the excerpt from "Team Moon: How 400,000 People Landed Apollo 11 on the Moon" by Catherine Thimmesh.
Problem-solution text structure means, as the name might suggest, that the author suggests a dilemma (a problem) and gives a possible solution to it.
In this situation, we see that the solution was very risky and that it had great potential to turn into total disaster.
Now, we can infer that this problem-solution structure emphasized the complexity and the pressure of the situation.
