As Cantoni was boarding a ship heading for the America, World War II broke out, and as an Italian citizen he was interned in England and later in Canada. Eventually he was released and allowed to go to the United States in July 1941.
Cantoni's voyage to the Americas was disrupted when World War II began, forcing him into internment in England before being sent to Canada. He was eventually freed and allowed to enter the United States in July 1941.