The Supreme Court case U. S. v. Nixon confirmed A. the rule of law over executive privilege. B. the rule of law over military enlistment. C. the rule of law of tax refunds to citizens. D. the rule of law of a declaration of war.

The case of the US v. Nixon set the law over executive privilege. Nixon claimed presidential privilege was more important than judicial proceedings and subpoenaed items did not have be to handed over for the court. The Supreme Court decision stated in matters of the court and a judicial proceeding, executive privilege was not valid.