Sparta's policies were the most harsh and strict so it's D. Sparta
There is no clear answer to this but I believe, as a former Social Studies teacher and third-year law student, that the best answer to this is judicial review.
Judicial Review exists based on the general principle that the Government has to follow the rules of the game, namely the Constitution, and that it is the Judicial branches duty to review the actions of the Executive and Legislative branches to see if they are following the rule of law.
Answer:
This states that "The privilege of the writ of habeas corpus shall not be suspended, unless when in cases of rebellion or invasion the public safety may require it".
Explanation: