 The case prompted the United States Congress to establish [[Federal Kidnapping Act|kidnapping as a federal crime]] if the kidnapper crosses state lines with a victim.By late 1935, the hysteria surrounding the case had driven the Lindbergh family into exile in Europe, from which they returned in 1939.In the years before the United States entered [[World War II]], his [[non-interventionism|non-interventionist]] stance and statements about Jews led some to suspect he was a Nazi sympathizer, although Lindbergh never publicly stated support for [[Nazi Germany]].