When justice black refers to giboney v. empire storage & ice co. in the dissenting opinion for tinker v. des moines, which kind of reasoning is he using to support his argument?

What does brutus say that anticipates the question of why the crowd should listen to mark antony? o a. not that i lov'd caesar less, but that i lov'd rome more. o b. and, for my sake, stay here with antony. do grace to caesar's corpse, and grace his speech. o c. i thrice presented him a kingly crown, / which he did thrice refuse. was this ambition? od. i come to bury caesar, not to praise him.