In 1998, UNICEF reported that Ivory Coast farmers used enslaved children – many from surrounding countries. In late 2000 a BBC documentary reported the use of enslaved children in the production of cocoa—the main ingredient in chocolate— in West Africa. Other media followed by reporting widespread child slavery and child trafficking in the production of cocoa. In 2001, the US State Department estimated there were 15,000 child slaves cocoa, cotton and coffee farms in the Ivory Coast, and the Chocolate Manufacturers Association acknowledged that child slavery is used in the cocoa harvest.[not in citation given][better source needed]