Some years ago, an editorial defended United States government restrictions on academic freedom, arguing that scientists who receive public funding cannot rightly "detach themselves from the government’s policies on national security.” Yet the same editorial criticized the Soviet government for not allowing scientists to “detach themselves from politics.” If there is a significant difference between the principles involved in each case, the editorial should have explained what that difference is.
Your task
Describe how the argument proceeds — the technique it uses to reach its conclusion.
Common trap
Answers that describe a method the argument doesn't actually use.
Winning move
Track the role each statement plays, then match that to the choice describing the same moves.