"Stop the wizarding army from attacking us," said Hermione. "We do not have the strength of numbers to face both the might of Voldemort and the resources of the Americans. Tell them what I have told you if you must, if they are here to fight Voldemort ... and go to war with them if they seek to join him. Make them see the futility of what they are doing. Tell them ... tell them the future Queen of England asks it of them."