In what year was the U.S. Constitution ratified?

In which of the following cases did the Supreme Court rule against the government and decide that an American citizen held as an "enemy combatant" must "be given a meaningful opportunity to contest the factual basis for detention before a neutral decision maker"?

a. Goldwater et al. v. Carter b. U.S. v. Nixon c. Hamdan v. Rumsfeld et al. d. Dellums v. Bush e. Hamdi v. Rumsfeld

What is the primary method the president uses to regulate the regulators?

What will be an ideal response?