Damn. Too bad Magneto could not stop off in Brazil on his way to Argentina to deal with the Nazi bastards who did this, too. But this isn't X-Men: First Class, this was real life. This was shameful. Powerful movie trailer about "The Forgotten Boys of Brazil" above; where the Nazis pushed their supremacist agenda and made slaves of Black people outside of Germany.
Boy 23: The Forgotten Boys of Brazil (Menino 23: Infâncias Perdidas no Brasil )(2016, 80 min), by Belisario Franca - Bricks, with the Nazi swastika, found in rural Brazil reveal the horrible true story of orphaned children who were enslaved in Brazil during the 1930's - victims of a criminal project of eugenics. (In Portuguese with English subtitles).