The two of Justice Black's basic reasons for disagreeing with the majority opinion are:
Justice Black's felt the student should be allow to wear armband except the armband the school prohibited the student from wearing.
He as well said the student should be given freedom of speech as well the freedom to make laws for their school without hinderance.
Therefore Justice Black's basic reasons for disagreeing with the majority opinion is Inability of the student to wear armband.
Learn more about Justice Black's basic reasons for disagreeing here:https://brainly.com/question/11629509
