In all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the state and district wherein the crime shall have been committed, and to be informed of the nature and cause of the accusation; to be confronted with the witnesses against him; to have [the opportunity] for obtaining witnesses in his favor, and to have the assistance of counsel for his defense. which clause from the sixth amendment guarantees that an accused person will be able to hear the charges against him or her? "the right to a speedy and public trial" "confronted with the witnesses against him" "informed of the nature and cause of the accusation" "have the assistance of counsel"