"In the Muggle war, the Allied forces are going to win," Grindelwald continued. "As you know, I have had agents in both Allied and Axis governments, to prepare for either outcome. My sources inform me that the Allied Muggles are already preparing to turn on each other as soon as the war is over—that the Americans are developing terrible weapons that they intend to use against the Russians, and vice versa. I can use this to the advantage of wizards, and I will."