In the 1920s he underwrote the U.S. publication of a half-million copies. He also conceived and published a four-volume set called The International Jew: The World’s Foremost Problem; the young Joseph Goebbels and Adolf Hitler read the German translation and became Henry Ford superfans. But after Americans condemned Ford and started boycotting his company, he promptly apologized and backed off, and U.S. anti-Semitism began its steady twentieth-century decline.