Question

The author writes that whoever develops a plan to make children useful should "have his statue set up for a preserver of the nation." this means that the person who solves this problem deserves __________.

Answer 1

This means that whoever solves this problem deserves fame and admiration.
A statue of a person in almost every society symbolize fames and admiration. The purpose of a statue is to make sure that the figure of that certain person is retained for a long period of time to make sure that the future generation are aware of the existance of this person