Professor Gandolf says that all political systems that aim at preventing conflict are legitimate. However, totalitarian political systems are usually good at preventing conflict, since those who are not in power are subject to the will of the powerful. illegitimate, Professor Gandolf's principle must be false.
What this question is testing
Your task
Find the assumption the argument requires in order for its conclusion to hold.
Common trap
Answers that would help the argument but aren't strictly required (sufficient, not necessary).
Winning move
Negate each choice — the right one breaks the argument when negated.
Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.