Gum arabic is a widely used but little-known ingredient found in products like soda, gum, makeup and beer. But as WSJ’s Nicholas Bariyo and Alexandra Wexler report, the product has been used for a darker purpose: helping to fund the civil war in Sudan.Further Reading: -How Soda, Chocolate and Chewing Gum Are Funding War in Sudan -What Is Happening in Sudan? The Fighting Explained Learn more about your ad choices. Visit megaphone.fm/adchoices