Black Jack Chewing Gum

I am doing a project based on the Holocaust and we must appeal to something that corresponds to a story we wrote. I wrote a paper quoting Dr. Mengele and how he gave candy to children's issues and found blackjack gum was invented in 1872 and the union until 70 but I'm not sure if She was nowhere else other than the U.S. aid would be much appreciated!

During the war, sugar was a luxury and narrowly limited, it is unlikely