C is the answer Delaware was the first state to ratify, on December 7, 1787. After New Hampshire became the ninth state to ratify, on June 22, 1788, the Confederation Congress established March 9, 1789, as the date to begin operating under the Constitution.
Miranda v. Arizona
In Miranda v. Arizona, the Supreme Court ruled that detained criminal suspects, prior to police questioning, must be informed of their constitutional right to an attorney and against self-incrimination.
