Minerva stared. She knew, who was expelled in this school year. Minerva knew, she couldn’t do anything against this, because even the light side was very accustomed towards Hagrid and they would turn their backs on their cause, if Albus or she were denying Hagrid the right to finish his education. Apart from that, Albus and the board would be blamed, if this injustice was public and it wouldn’t do good to their reputation. Minerva knew that she had to vote for the man since there was no way out.